Niterra (NGK Spark Plug)
Financial history
- Revenue · FYE Mar 2026
- ¥731bn
- Operating profit · FYE Mar 2026
- ¥138bn
- Net profit · FYE Mar 2026
- ¥113bn
- Total assets
- ¥1.22tn
- Equity ratio
- 62.5%
- Long-term series
- 1952–2025
Niterra (NGK Spark Plug): long-term performance & turning pointsSales (revenue) and profit-margin ratio
Sales (¥ bn)Net margin (%)| Fiscal year | Unit | 1952 FYE Mar | 1953 FYE Mar | 1954 FYE Mar | 1955 FYE Mar | 1956 FYE Mar | 1957 FYE Mar | 1958 FYE Mar | 1959 FYE Mar | 1960 FYE Mar | 1961 FYE Mar | 1962 FYE Mar | 1963 FYE Mar | 1964 FYE Mar | 1965 FYE Mar | 1966 FYE Mar | 1970 FYE Mar | 1971 *1 FYE Mar | 1972 *1 FYE Mar | 1973 *1 FYE Mar | 1974 *1 FYE Mar | 1975 *1 FYE Mar | 1976 FYE Mar | 1977 FYE Mar | 1978 FYE Mar | 1979 FYE Mar | 1980 FYE Mar | 1981 FYE Mar | 1982 FYE Mar | 1983 FYE Mar | 1984 FYE Mar | 1985 FYE Mar | 1988 *2 FYE Mar | 1989 *2 FYE Mar | 1990 *2 FYE Mar | 1991 *2 FYE Mar | 1992 *3 FYE Mar | 1993 *3 FYE Mar | 1994 *3 FYE Mar | 1995 *3 FYE Mar | 1996 *3 FYE Mar | 1997 *3 FYE Mar | 1998 *3 FYE Mar | 1999 *3 FYE Mar | 2000 *3 FYE Mar | 2001 *3 FYE Mar | 2002 *4 FYE Mar | 2003 *4 FYE Mar | 2004 *4 FYE Mar | 2005 *5 FYE Mar | 2006 *5 FYE Mar | 2007 *5 FYE Mar | 2008 *5 FYE Mar | 2009 *5 FYE Mar | 2010 *5 FYE Mar | 2011 *5 FYE Mar | 2012 *5 FYE Mar | 2013 *5 FYE Mar | 2014 *5 FYE Mar | 2015 *5 FYE Mar | 2016 *5 FYE Mar | 2017 *5 FYE Mar | 2018 *5 FYE Mar | 2019 *5 FYE Mar | 2020 *5 FYE Mar | 2021 *5 FYE Mar | 2022 *5 FYE Mar | 2023 *5 FYE Mar | 2024 *5 FYE Mar | 2025 *5 FYE Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | JPY | ¥0.4bn | ¥0.5bn | ¥0.8bn | ¥0.7bn | ¥0.8bn | ¥1.1bn | ¥1.1bn | ¥1.0bn | ¥1.4bn | ¥2.0bn | ¥2.4bn | ¥2.7bn | ¥3.3bn | ¥3.6bn | ¥3.8bn | ¥10bn | ¥13bn | ¥14bn | ¥15bn | ¥20bn | ¥22bn | ¥23bn | ¥28bn | ¥32bn | ¥36bn | ¥44bn | ¥50bn | ¥55bn | ¥59bn | ¥66bn | ¥81bn | ¥86bn | ¥93bn | ¥106bn | ¥107bn | ¥113bn | ¥117bn | ¥122bn | ¥158bn | ¥167bn | ¥197bn | ¥190bn | ¥189bn | ¥196bn | ¥224bn | ¥221bn | ¥229bn | ¥229bn | ¥241bn | ¥285bn | ¥345bn | ¥346bn | ¥292bn | ¥244bn | ¥269bn | ¥285bn | ¥303bn | ¥330bn | ¥348bn | ¥383bn | ¥373bn | ¥410bn | ¥425bn | ¥426bn | ¥428bn | ¥492bn | ¥563bn | ¥614bn | ¥653bn |
| YoY | % | — | +20.9% | +69.6% | -9.3% | +9.1% | +38.6% | -2.6% | -10.2% | +47.4% | +41.1% | +17.3% | +12.5% | +23.4% | +7.9% | +6.5% | — | +25.0% | +3.8% | +12.6% | +31.6% | +10.0% | +3.2% | +24.2% | +13.8% | +10.6% | +22.5% | +14.5% | +10.0% | +7.7% | +11.9% | +22.7% | — | +7.6% | +13.9% | +1.3% | +5.7% | +2.9% | +4.9% | +29.2% | +5.8% | +17.5% | -3.3% | -0.8% | +3.7% | +14.7% | -1.3% | +3.4% | -0.1% | +5.4% | +18.1% | +21.1% | +0.2% | -15.5% | -16.5% | +10.4% | +5.8% | +6.3% | +8.9% | +5.4% | +10.2% | -2.7% | +9.9% | +3.7% | +0.3% | +0.3% | +15.0% | +14.4% | +9.2% | +6.3% |
| Operating profit | JPY | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ¥42bn | ¥52bn | ¥35bn | -¥5.2bn | ¥11bn | ¥29bn | ¥25bn | ¥24bn | ¥52bn | ¥62bn | ¥66bn | ¥54bn | ¥67bn | ¥55bn | ¥48bn | ¥47bn | ¥76bn | ¥89bn | ¥108bn | ¥130bn |
| YoY | % | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | +26.3% | -33.2% | -114.9% | — | +169.2% | -14.9% | -2.9% | +117.2% | +20.3% | +6.6% | -19.2% | +25.6% | -17.8% | -12.5% | -2.1% | +59.3% | +18.1% | +20.6% | +20.5% |
| Ordinary profit | JPY | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ¥2.4bn | ¥2.4bn | ¥2.6bn | ¥3.7bn | ¥2.9bn | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ¥7.8bn | ¥8.5bn | ¥5.9bn | ¥13bn | ¥11bn | ¥19bn | ¥14bn | ¥11bn | ¥11bn | ¥25bn | ¥11bn | ¥15bn | ¥19bn | ¥28bn | ¥43bn | ¥54bn | ¥35bn | -¥7.5bn | ¥11bn | ¥27bn | ¥24bn | ¥28bn | ¥55bn | ¥68bn | — | — | — | — | — | — | — | — | — | — |
| Net profit | JPY | — | — | — | — | — | ¥0.2bn | ¥0.1bn | ¥0.1bn | ¥0.2bn | ¥0.2bn | ¥0.3bn | ¥0.3bn | ¥0.3bn | ¥0.3bn | ¥0.4bn | — | ¥1.3bn | ¥1.2bn | ¥1.4bn | ¥1.8bn | ¥1.3bn | ¥1.0bn | ¥1.7bn | ¥2.1bn | ¥2.0bn | ¥2.2bn | ¥2.1bn | ¥2.3bn | ¥2.4bn | ¥2.5bn | ¥4.5bn | ¥3.9bn | ¥4.6bn | ¥5.3bn | ¥4.8bn | ¥4.7bn | ¥4.4bn | ¥3.3bn | ¥6.6bn | ¥5.3bn | ¥9.1bn | ¥6.7bn | ¥5.5bn | ¥6.6bn | ¥13bn | ¥4.8bn | ¥7.3bn | ¥11bn | ¥17bn | ¥25bn | ¥34bn | ¥22bn | -¥72bn | ¥14bn | ¥24bn | ¥26bn | ¥21bn | ¥33bn | ¥37bn | ¥31bn | ¥26bn | ¥44bn | ¥43bn | ¥30bn | ¥38bn | ¥60bn | ¥66bn | ¥83bn | ¥93bn |
| YoY | % | — | — | — | — | — | — | -17.7% | -23.7% | +47.6% | +46.7% | +35.4% | +3.0% | +5.1% | +1.5% | +5.4% | — | — | -7.7% | +16.7% | +28.6% | -27.8% | -23.1% | +70.0% | +23.5% | -4.8% | +10.0% | -4.5% | +9.5% | +4.3% | +4.2% | +80.0% | — | +17.9% | +15.2% | -9.4% | -2.1% | -6.4% | -25.0% | +100.0% | -19.7% | +71.7% | -26.4% | -17.9% | +20.0% | +98.5% | -63.4% | +52.1% | +52.1% | +54.1% | +46.8% | +35.5% | -35.0% | -424.0% | — | +74.8% | +8.1% | -18.0% | +56.5% | +12.2% | -16.1% | -16.9% | +73.0% | -3.8% | -29.3% | +27.2% | +57.2% | +10.0% | +24.8% | +12.1% |
| Operating margin | % | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14.6% | 15.2% | 10.1% | -1.8% | 4.4% | 10.7% | 8.6% | 7.9% | 15.7% | 17.9% | 17.3% | 14.4% | 16.4% | 13.0% | 11.4% | 11.1% | 15.4% | 15.9% | 17.5% | 19.9% |
| Net margin | % | — | — | — | — | — | 14.7% | 12.4% | 10.6% | 10.6% | 11.0% | 12.7% | 11.6% | 9.9% | 9.3% | 9.2% | — | 10.0% | 8.9% | 9.2% | 9.0% | 5.9% | 4.4% | 6.0% | 6.5% | 5.6% | 5.1% | 4.2% | 4.2% | 4.1% | 3.8% | 5.6% | 4.5% | 4.9% | 5.0% | 4.5% | 4.1% | 3.8% | 2.7% | 4.2% | 3.2% | 4.6% | 3.5% | 2.9% | 3.4% | 5.8% | 2.2% | 3.2% | 4.9% | 7.1% | 8.8% | 9.9% | 6.4% | -24.5% | 5.5% | 8.8% | 9.0% | 6.9% | 9.9% | 10.6% | 8.0% | 6.9% | 10.8% | 10.0% | 7.1% | 9.0% | 12.2% | 11.8% | 13.4% | 14.2% |
- *1 Kaisha Nenkan (Company Yearbook), 1976 edition
- *2 投資月報44(9)
- *3 Kaisha Nenkan (Company Yearbook)
- *4 事業報告書
- *5 Securities report
Cost structure Cost of sales SG&A Other operating costs Operating profit Operating margin
Where each yen of revenue goes — cost of sales, SG&A and what is left as operating profit (¥ bn, stacked)
| Fiscal year | Unit | 2006 *1 FYE Mar | 2007 *1 FYE Mar | 2008 *1 FYE Mar | 2009 *1 FYE Mar | 2010 *1 FYE Mar | 2011 *1 FYE Mar | 2012 *1 FYE Mar | 2013 *1 FYE Mar | 2014 *1 FYE Mar | 2015 *1 FYE Mar | 2016 *1 FYE Mar | 2017 *1 FYE Mar | 2018 *1 FYE Mar | 2019 *1 FYE Mar | 2020 *1 FYE Mar | 2021 *1 FYE Mar | 2022 *1 FYE Mar | 2023 *1 FYE Mar | 2024 *1 FYE Mar | 2025 *1 FYE Mar | 2026 *1 FYE Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | JPY | ¥285bn | ¥345bn | ¥346bn | ¥292bn | ¥244bn | ¥269bn | ¥285bn | ¥303bn | ¥330bn | ¥348bn | ¥383bn | ¥373bn | ¥410bn | ¥425bn | ¥426bn | ¥428bn | ¥492bn | ¥563bn | ¥614bn | ¥653bn | ¥731bn |
| YoY | % | — | +21.1% | +0.2% | -15.5% | -16.5% | +10.4% | +5.8% | +6.3% | +8.9% | +5.4% | +10.3% | -2.7% | +9.9% | +3.7% | +0.3% | +0.3% | +15.0% | +14.4% | +9.2% | +6.3% | +12.0% |
| Cost of sales | JPY | ¥203bn | ¥249bn | ¥262bn | ¥252bn | ¥193bn | ¥195bn | ¥213bn | ¥230bn | ¥222bn | ¥223bn | ¥247bn | ¥250bn | ¥268bn | ¥285bn | ¥292bn | ¥297bn | ¥336bn | ¥365bn | ¥388bn | ¥395bn | ¥450bn |
| SG&A | JPY | ¥40bn | ¥44bn | ¥48bn | ¥46bn | ¥41bn | ¥45bn | ¥47bn | ¥50bn | ¥56bn | ¥62bn | ¥70bn | ¥69bn | ¥74bn | ¥85bn | ¥87bn | ¥84bn | ¥94bn | ¥110bn | ¥123bn | ¥134bn | ¥140bn |
| Other operating costs | JPY | — | — | — | — | — | — | — | — | — | — | — | — | — | — | -¥2.0bn | -¥1.0bn | -¥13bn | -¥1.3bn | -¥4.3bn | -¥5.2bn | ¥2.3bn |
| Operating profit | JPY | ¥42bn | ¥52bn | ¥35bn | -¥5.2bn | ¥11bn | ¥29bn | ¥24bn | ¥24bn | ¥52bn | ¥62bn | ¥66bn | ¥54bn | ¥67bn | ¥55bn | ¥48bn | ¥47bn | ¥76bn | ¥89bn | ¥108bn | ¥130bn | ¥138bn |
| YoY | % | — | +26.2% | -33.1% | -114.9% | — | +169.3% | -14.9% | -3.0% | +117.5% | +20.4% | +6.6% | -19.1% | +25.5% | -17.8% | -12.4% | -2.2% | +59.3% | +18.2% | +20.6% | +20.5% | +6.6% |
| Operating margin | % | 14.6% | 15.2% | 10.1% | -1.8% | 4.4% | 10.7% | 8.6% | 7.8% | 15.7% | 17.9% | 17.3% | 14.4% | 16.4% | 13.0% | 11.4% | 11.1% | 15.4% | 15.9% | 17.5% | 19.9% | 18.9% |
| Change | pp | — | +0.6pp | -5.1pp | -11.9pp | +6.2pp | +6.3pp | -2.1pp | -0.8pp | +7.9pp | +2.2pp | -0.6pp | -2.9pp | +2.0pp | -3.4pp | -1.6pp | -0.3pp | +4.3pp | +0.5pp | +1.6pp | +2.4pp | -1.0pp |
- *1 Securities report (yuka shoken hokokusho), as filed
Balance sheet Total assets Equity Interest-bearing debt Equity ratio
Total assets, equity and interest-bearing debt (¥ bn), with the equity ratio (%)
| Fiscal year | Unit | 2005 *1 FYE Mar | 2006 *1 FYE Mar | 2007 *1 FYE Mar | 2008 *1 FYE Mar | 2009 *1 FYE Mar | 2010 *1 FYE Mar | 2011 *1 FYE Mar | 2012 *1 FYE Mar | 2013 *1 FYE Mar | 2014 *1 FYE Mar | 2015 *1 FYE Mar | 2016 *1 FYE Mar | 2017 *1 FYE Mar | 2018 *1 FYE Mar | 2019 *1 FYE Mar | 2020 *1 FYE Mar | 2021 *1 FYE Mar | 2022 *1 FYE Mar | 2023 *1 FYE Mar | 2024 *1 FYE Mar | 2025 *1 FYE Mar | 2026 *1 FYE Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total assets | JPY | ¥323bn | ¥386bn | ¥414bn | ¥412bn | ¥276bn | ¥331bn | ¥337bn | ¥340bn | ¥366bn | ¥458bn | ¥485bn | ¥526bn | ¥564bn | ¥600bn | ¥629bn | ¥641bn | ¥771bn | ¥823bn | ¥903bn | ¥976bn | ¥991bn | ¥1.22tn |
| YoY | % | — | +19.5% | +7.1% | -0.4% | -33.0% | +20.1% | +1.8% | +0.9% | +7.7% | +25.0% | +6.0% | +8.4% | +7.2% | +6.4% | +4.9% | +1.9% | +20.3% | +6.7% | +9.7% | +8.0% | +1.6% | +23.2% |
| Equity | JPY | ¥221bn | ¥259bn | ¥260bn | ¥271bn | ¥194bn | ¥206bn | ¥216bn | ¥236bn | ¥268bn | ¥303bn | ¥341bn | ¥339bn | ¥352bn | ¥386bn | ¥399bn | ¥386bn | ¥446bn | ¥511bn | ¥564bn | ¥637bn | ¥674bn | ¥764bn |
| YoY | % | — | +17.3% | +0.2% | +4.4% | -28.5% | +6.3% | +5.1% | +8.8% | +13.9% | +12.9% | +12.6% | -0.6% | +4.0% | +9.5% | +3.4% | -3.3% | +15.6% | +14.5% | +10.4% | +13.0% | +5.9% | +13.2% |
| Interest-bearing debt | JPY | ¥35bn | ¥37bn | ¥32bn | ¥41bn | ¥36bn | ¥39bn | ¥36bn | ¥36bn | ¥26bn | ¥57bn | ¥5.7bn | ¥25bn | ¥44bn | ¥33bn | ¥109bn | ¥143bn | ¥188bn | ¥155bn | ¥186bn | ¥178bn | ¥157bn | ¥242bn |
| Equity ratio | % | 68.4% | 67.1% | 62.7% | 65.8% | 70.2% | 62.2% | 64.2% | 69.2% | 73.2% | 66.1% | 70.2% | 64.4% | 62.5% | 64.3% | 63.4% | 60.2% | 57.8% | 62.0% | 62.4% | 65.3% | 68.1% | 62.5% |
| Change | pp | — | -1.3pp | -4.4pp | +3.1pp | +4.4pp | -8.0pp | +2.0pp | +5.0pp | +4.0pp | -7.1pp | +4.1pp | -5.8pp | -1.9pp | +1.8pp | -0.9pp | -3.2pp | -2.4pp | +4.2pp | +0.4pp | +2.9pp | +2.8pp | -5.6pp |
- *1 Securities report (yuka shoken hokokusho), as filed
Cash flow Operating CF Investing CF Financing CF
Cash generated by operations, spent on investment and raised or repaid in financing (¥ bn)
| Fiscal year | Unit | 2002 *1 FYE Mar | 2003 *1 FYE Mar | 2004 *1 FYE Mar | 2005 *1 FYE Mar | 2006 *1 FYE Mar | 2007 *1 FYE Mar | 2008 *1 FYE Mar | 2009 *1 FYE Mar | 2010 *1 FYE Mar | 2011 *1 FYE Mar | 2012 *1 FYE Mar | 2013 *1 FYE Mar | 2014 *1 FYE Mar | 2015 *1 FYE Mar | 2016 *1 FYE Mar | 2017 *1 FYE Mar | 2018 *1 FYE Mar | 2019 *1 FYE Mar | 2020 *1 FYE Mar | 2021 *1 FYE Mar | 2022 *1 FYE Mar | 2023 *1 FYE Mar | 2024 *1 FYE Mar | 2025 *1 FYE Mar | 2026 *1 FYE Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating CF | JPY | ¥19bn | ¥35bn | ¥24bn | ¥36bn | ¥35bn | ¥36bn | ¥38bn | ¥37bn | ¥34bn | ¥35bn | ¥21bn | ¥26bn | ¥55bn | ¥37bn | ¥56bn | ¥50bn | ¥66bn | ¥44bn | ¥57bn | ¥63bn | ¥72bn | ¥69bn | ¥118bn | ¥133bn | ¥109bn |
| YoY | % | — | +84.4% | -29.8% | +48.8% | -3.7% | +5.0% | +3.4% | -3.0% | -6.4% | +3.3% | -40.5% | +24.3% | +108.8% | -33.1% | +54.3% | -11.9% | +32.0% | -33.5% | +31.1% | +10.7% | +13.4% | -3.6% | +70.5% | +12.5% | -17.7% |
| Investing CF | JPY | -¥27bn | -¥29bn | ¥15bn | -¥42bn | -¥31bn | -¥23bn | -¥44bn | -¥27bn | -¥17bn | -¥20bn | -¥16bn | -¥15bn | -¥61bn | -¥13bn | -¥82bn | -¥53bn | -¥26bn | -¥48bn | -¥52bn | -¥43bn | ¥10bn | -¥37bn | -¥92bn | -¥34bn | -¥166bn |
| Financing CF | JPY | -¥33bn | -¥14bn | -¥22bn | -¥1.9bn | -¥2.5bn | -¥14bn | -¥2.9bn | -¥10bn | ¥0.9bn | -¥7.2bn | -¥4.7bn | -¥15bn | ¥24bn | -¥19bn | ¥25bn | -¥0.5bn | -¥18bn | -¥8.1bn | ¥9.4bn | ¥28bn | -¥54bn | -¥1.8bn | -¥57bn | -¥71bn | ¥29bn |
| Cash & equivalents | JPY | ¥39bn | ¥31bn | ¥48bn | ¥61bn | ¥64bn | ¥58bn | ¥23bn | ¥18bn | ¥29bn | ¥27bn | ¥20bn | ¥25bn | ¥32bn | ¥76bn | ¥71bn | ¥66bn | ¥87bn | ¥74bn | ¥86bn | ¥15bn | ¥140bn | ¥202bn | ¥181bn | ¥208bn | ¥188bn |
| YoY | % | — | -20.9% | +54.5% | +27.4% | +4.7% | -9.1% | -60.0% | -21.3% | +56.8% | -5.4% | -25.0% | +20.0% | +28.3% | +139.7% | -5.8% | -7.5% | +32.8% | -15.0% | +15.8% | -82.2% | +809.7% | +44.5% | -10.4% | +15.2% | -9.8% |
- *1 Securities report (yuka shoken hokokusho), as filed
Key ratios Operating margin Net margin ROE Equity ratio
Profitability and balance-sheet strength (%). ROE uses year-end equity.
| Fiscal year | Unit | 2002 *1 FYE Mar | 2003 *1 FYE Mar | 2004 *1 FYE Mar | 2005 *1 FYE Mar | 2006 *1 FYE Mar | 2007 *1 FYE Mar | 2008 *1 FYE Mar | 2009 *1 FYE Mar | 2010 *1 FYE Mar | 2011 *1 FYE Mar | 2012 *1 FYE Mar | 2013 *1 FYE Mar | 2014 *1 FYE Mar | 2015 *1 FYE Mar | 2016 *1 FYE Mar | 2017 *1 FYE Mar | 2018 *1 FYE Mar | 2019 *1 FYE Mar | 2020 *1 FYE Mar | 2021 *1 FYE Mar | 2022 *1 FYE Mar | 2023 *1 FYE Mar | 2024 *1 FYE Mar | 2025 *1 FYE Mar | 2026 *1 FYE Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating margin | % | — | — | — | — | 14.6% | 15.2% | 10.1% | -1.8% | 4.4% | 10.7% | 8.6% | 7.8% | 15.7% | 17.9% | 17.3% | 14.4% | 16.4% | 13.0% | 11.4% | 11.1% | 15.4% | 15.9% | 17.5% | 19.9% | 18.9% |
| Change | pp | — | — | — | — | — | +0.6pp | -5.1pp | -11.9pp | +6.2pp | +6.3pp | -2.1pp | -0.8pp | +7.9pp | +2.2pp | -0.6pp | -2.9pp | +2.0pp | -3.4pp | -1.6pp | -0.3pp | +4.3pp | +0.5pp | +1.6pp | +2.4pp | -1.0pp |
| Net margin | % | 2.2% | 3.2% | 4.9% | 7.1% | 8.8% | 9.9% | 6.4% | -24.5% | 5.5% | 8.8% | 9.0% | 6.9% | 9.9% | 10.6% | 8.0% | 6.9% | 10.8% | 10.0% | 7.1% | 9.0% | 12.2% | 11.8% | 13.4% | 14.2% | 15.4% |
| Change | pp | — | +1.0pp | +1.7pp | +2.2pp | +1.7pp | +1.1pp | -3.5pp | -30.9pp | +30.0pp | +3.3pp | +0.2pp | -2.1pp | +3.0pp | +0.7pp | -2.6pp | -1.1pp | +3.9pp | -0.8pp | -2.9pp | +1.9pp | +3.2pp | -0.4pp | +1.6pp | +0.8pp | +1.2pp |
| ROE | % | — | — | — | 7.8% | 9.7% | 13.1% | 8.2% | -37.0% | 6.6% | 10.9% | 10.8% | 7.8% | 10.8% | 10.8% | 9.1% | 7.3% | 11.5% | 10.7% | 7.8% | 8.6% | 11.8% | 11.8% | 13.0% | 13.7% | 14.8% |
| Change | pp | — | — | — | — | +1.9pp | +3.4pp | -4.9pp | -45.2pp | +43.6pp | +4.3pp | -0.1pp | -3.0pp | +3.0pp | 0.0pp | -1.7pp | -1.8pp | +4.2pp | -0.8pp | -2.9pp | +0.8pp | +3.2pp | 0.0pp | +1.2pp | +0.7pp | +1.1pp |
| Equity ratio | % | — | — | — | 68.4% | 67.1% | 62.7% | 65.8% | 70.2% | 62.2% | 64.2% | 69.2% | 73.2% | 66.1% | 70.2% | 64.4% | 62.5% | 64.3% | 63.4% | 60.2% | 57.8% | 62.0% | 62.4% | 65.3% | 68.1% | 62.5% |
| Change | pp | — | — | — | — | -1.3pp | -4.4pp | +3.1pp | +4.4pp | -8.0pp | +2.0pp | +5.0pp | +4.0pp | -7.1pp | +4.1pp | -5.8pp | -1.9pp | +1.8pp | -0.9pp | -3.2pp | -2.4pp | +4.2pp | +0.4pp | +2.9pp | +2.8pp | -5.6pp |
- *1 Securities report (yuka shoken hokokusho), as filed
Reporting basis
Which accounting standard each fiscal year was filed under. Figures are not strictly comparable across a change of standard.
| Fiscal year | Unit | 2001 *1 FYE Mar | 2002 *1 FYE Mar | 2003 *1 FYE Mar | 2004 *1 FYE Mar | 2005 *1 FYE Mar | 2006 *1 FYE Mar | 2007 *1 FYE Mar | 2008 *1 FYE Mar | 2009 *1 FYE Mar | 2010 *1 FYE Mar | 2011 *1 FYE Mar | 2012 *1 FYE Mar | 2013 *1 FYE Mar | 2014 *1 FYE Mar | 2015 *1 FYE Mar | 2016 *1 FYE Mar | 2017 *1 FYE Mar | 2018 *1 FYE Mar | 2019 *1 FYE Mar | 2020 *1 FYE Mar | 2021 *1 FYE Mar | 2022 *1 FYE Mar | 2023 *1 FYE Mar | 2024 *1 FYE Mar | 2025 *1 FYE Mar | 2026 *1 FYE Mar |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | JGAAP | IFRS | IFRS | IFRS | IFRS | IFRS | IFRS | IFRS | IFRS | IFRS | IFRS | IFRS | |
| Basis | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated | Consolidated |
- *1 Securities report (yuka shoken hokokusho), as filed
Yen–dollar exchange rate ¥ per US$1
Annual average, yen per one US dollar. Every figure above is in yen as filed — convert one using the rate of its own year, never today's. A higher line is a weaker yen.
| Fiscal year | Unit | 1949 *1 Cal. year | 1950 *1 Cal. year | 1951 *1 Cal. year | 1952 *1 Cal. year | 1953 *1 Cal. year | 1954 *1 Cal. year | 1955 *1 Cal. year | 1956 *1 Cal. year | 1957 *1 Cal. year | 1958 *1 Cal. year | 1959 *1 Cal. year | 1960 *1 Cal. year | 1961 *1 Cal. year | 1962 *1 Cal. year | 1963 *1 Cal. year | 1964 *1 Cal. year | 1965 *1 Cal. year | 1966 *1 Cal. year | 1967 *1 Cal. year | 1968 *1 Cal. year | 1969 *1 Cal. year | 1970 *1 Cal. year | 1971 *1 Cal. year | 1972 *2 Cal. year | 1973 *3 Cal. year | 1974 *3 Cal. year | 1975 *3 Cal. year | 1976 *3 Cal. year | 1977 *3 Cal. year | 1978 *3 Cal. year | 1979 *3 Cal. year | 1980 *4 Cal. year | 1981 *4 Cal. year | 1982 *4 Cal. year | 1983 *4 Cal. year | 1984 *4 Cal. year | 1985 *4 Cal. year | 1986 *4 Cal. year | 1987 *4 Cal. year | 1988 *4 Cal. year | 1989 *4 Cal. year | 1990 *4 Cal. year | 1991 *4 Cal. year | 1992 *4 Cal. year | 1993 *4 Cal. year | 1994 *4 Cal. year | 1995 *4 Cal. year | 1996 *4 Cal. year | 1997 *4 Cal. year | 1998 *4 Cal. year | 1999 *4 Cal. year | 2000 *4 Cal. year | 2001 *4 Cal. year | 2002 *4 Cal. year | 2003 *4 Cal. year | 2004 *4 Cal. year | 2005 *4 Cal. year | 2006 *4 Cal. year | 2007 *4 Cal. year | 2008 *4 Cal. year | 2009 *4 Cal. year | 2010 *4 Cal. year | 2011 *4 Cal. year | 2012 *4 Cal. year | 2013 *4 Cal. year | 2014 *4 Cal. year | 2015 *4 Cal. year | 2016 *4 Cal. year | 2017 *4 Cal. year | 2018 *4 Cal. year | 2019 *4 Cal. year | 2020 *4 Cal. year | 2021 *4 Cal. year | 2022 *4 Cal. year | 2023 *4 Cal. year | 2024 *4 Cal. year | 2025 *4 Cal. year | 2026 *4,5 Cal. year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rate | ¥/US$ | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥360.00 | ¥308.00 | ¥274.00 | ¥293.00 | ¥299.00 | ¥292.00 | ¥257.00 | ¥201.00 | ¥230.00 | ¥226.69 | ¥220.55 | ¥249.06 | ¥237.48 | ¥237.53 | ¥238.53 | ¥168.52 | ¥144.60 | ¥128.13 | ¥137.98 | ¥144.81 | ¥134.51 | ¥126.67 | ¥111.18 | ¥102.22 | ¥94.05 | ¥108.77 | ¥121.02 | ¥130.89 | ¥113.84 | ¥107.74 | ¥121.52 | ¥125.28 | ¥115.92 | ¥108.16 | ¥110.15 | ¥116.28 | ¥117.77 | ¥103.33 | ¥93.53 | ¥87.77 | ¥79.78 | ¥79.79 | ¥97.60 | ¥105.84 | ¥121.02 | ¥108.84 | ¥112.16 | ¥110.40 | ¥109.01 | ¥106.78 | ¥109.78 | ¥131.37 | ¥140.51 | ¥151.50 | ¥149.65 | ¥158.16 |
| YoY | % | — | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | -14.4% | -11.0% | +6.9% | +2.0% | -2.3% | -12.0% | -21.8% | +14.4% | -1.4% | -2.7% | +12.9% | -4.6% | 0.0% | +0.4% | -29.4% | -14.2% | -11.4% | +7.7% | +4.9% | -7.1% | -5.8% | -12.2% | -8.1% | -8.0% | +15.7% | +11.3% | +8.2% | -13.0% | -5.4% | +12.8% | +3.1% | -7.5% | -6.7% | +1.8% | +5.6% | +1.3% | -12.3% | -9.5% | -6.2% | -9.1% | 0.0% | +22.3% | +8.4% | +14.3% | -10.1% | +3.1% | -1.6% | -1.3% | -2.0% | +2.8% | +19.7% | +7.0% | +7.8% | -1.2% | +5.7% |
- *1 1949-1971: Fixed Bretton Woods peg ¥360/$ (Dodge Line 1949; Smithsonian ¥308 from Dec 1971).
- *2 1972: Smithsonian peg ¥308/$ (held until Feb 1973 float).
- *3 1973-1979: JIL (Japan Institute for Labour Policy and Training) g0001.xlsx — fiscal-year (Apr–Mar) basis, integer-rounded. PROVISIONAL; upgrade to BOJ FXERM07 calendar-year later.
- *4 1980-2026: Bank of Japan stat-search FM08'FXERM07 (Tokyo market, USD/JPY spot, 17:00 fixing, monthly average) — calendar-year average of monthly averages.
- *5 Provisional — part-year average, not a full calendar year.
All figures are in Japanese yen as filed. Where a foreign-currency comparison is needed elsewhere on this site, yen amounts are converted at the average rate of each figure's own year — not today's rate. Exchange rates & sources →
Read the company history → 日本語版（詳細）— full financial data in Japanese →
Disclaimer
- This page is provided for general information only and is not investment advice, nor a recommendation to buy or sell any security.
- Figures are compiled independently and include our own estimates, approximations and machine-processed data; we make no warranty as to their accuracy or completeness.
- Sources are primarily each company's securities reports and other public filings, but errors and omissions may remain.
- Any use of this information is at the reader's own risk. Past performance does not indicate future results.
- Company names, logos and other marks belong to their respective owners.
Data API
Niterra (NGK Spark Plug)’s history, financials, executives and
shareholders are published as static JSON — no key, plain GET.
| Method | Endpoint | Returns |
|---|---|---|
| GET | /api/companies.json | All companies |
| GET | /api/5334/manifest.json | Resource index |
| GET | /api/5334/history.json | History overview |
| GET | /api/5334/timeline.json | Chronology |
| GET | /api/decisions.json | All management decisions (index) |
| GET | /api/5334/decisions.json | Management decisions (index) |
| GET | /api/5334/decisions/{slug}.json | One decision (full dossier) |
| GET | /api/5334/executives.json | Executives |
| GET | /api/5334/shareholders.json | Major shareholders |
| GET | /api/5334/financials.json | Financial statements |
| GET | /api/5334/financials-longterm.json | Long-term results |
| GET | /api/5334/segments.json | Business segments |
| GET | /api/5334/regions.json | Sales by region |
| GET | /api/5334/workforce.json | Workforce |