Tokai Carbon

Financial history

Revenue · FYE Dec 2025
¥323bn
Operating profit · FYE Dec 2025
¥26bn
Net profit · FYE Dec 2025
¥20bn
Total assets
¥664bn
Equity ratio
47.9%
Long-term series
1970–2025
Tokai Carbon: long-term performance & turning pointsSales (revenue) and profit-margin ratio
Sales (¥ bn)Net margin (%)
Long-term results, every fiscal year on record (¥ bn). Scroll sideways for earlier years.
Fiscal year Unit 1970 *1 FYE Nov 1971 *1 FYE Nov 1972 *1 FYE Nov 1973 *1 FYE Nov 1974 *1 FYE Nov 1975 *2 FYE Dec 1976 *2 FYE Dec 1977 *2 FYE Dec 1978 *2 FYE Dec 1979 *2 FYE Dec 1980 *2 FYE Dec 1981 *2 FYE Dec 1982 *2 FYE Dec 1983 *2 FYE Dec 1984 *2 FYE Dec 1991 *2 FYE Dec 1992 *2 FYE Dec 1993 *2 FYE Dec 1994 *2 FYE Dec 1995 *2 FYE Dec 1996 *2 FYE Dec 1997 *2 FYE Dec 1998 *2 FYE Dec 1999 *2 FYE Dec 2000 *3 FYE Dec 2001 *3 FYE Dec 2002 *3 FYE Dec 2003 *3 FYE Dec 2004 *3 FYE Dec 2005 *3 FYE Dec 2006 *3 FYE Dec 2007 *3 FYE Dec 2008 *3 FYE Dec 2009 *3 FYE Dec 2010 *3 FYE Dec 2011 *3 FYE Dec 2012 *3 FYE Dec 2013 *3 FYE Dec 2014 *3 FYE Dec 2015 *3 FYE Dec 2016 *3 FYE Dec 2017 *3 FYE Dec 2018 *3 FYE Dec 2019 *3 FYE Dec 2020 *3 FYE Dec 2021 *3 FYE Dec 2022 *3 FYE Dec 2023 *3 FYE Dec 2024 *3 FYE Dec 2025 *3 FYE Dec
Revenue JPY ¥13bn¥14bn¥15bn¥17bn¥27bn¥17bn¥30bn¥31bn¥32bn¥39bn¥51bn¥50bn¥50bn¥50bn¥55bn¥55bn¥63bn¥58bn¥56bn¥61bn¥63bn¥67bn¥60bn¥57bn¥65bn¥64bn¥57bn¥60bn¥67bn¥78bn¥99bn¥117bn¥128bn¥83bn¥108bn¥105bn¥99bn¥101bn¥115bn¥105bn¥89bn¥106bn¥231bn¥262bn¥202bn¥259bn¥340bn¥364bn¥350bn¥323bn
YoY % +6.0%+6.4%+16.0%+56.3%-39.3%+84.2%+2.3%+2.9%+22.5%+30.4%-2.2%+0.2%0.0%+10.0%+13.2%-7.8%-3.8%+9.0%+4.5%+6.0%-10.9%-4.4%+13.7%-1.4%-11.7%+5.8%+12.0%+16.0%+27.4%+18.6%+9.4%-35.2%+29.3%-2.5%-5.9%+2.2%+13.5%-8.5%-15.6%+20.0%+117.8%+13.3%-23.1%+28.4%+31.5%+6.9%-3.8%-7.8%
Operating profit JPY ¥11bn¥15bn¥21bn¥22bn¥5.3bn¥11bn¥11bn¥5.7bn¥1.7bn¥3.7bn¥4.1bn¥1.1bn¥11bn¥73bn¥54bn¥7.9bn¥25bn¥41bn¥39bn¥19bn¥26bn
YoY % +37.0%+39.9%+4.3%-75.5%+100.0%-0.9%-45.7%-70.2%+117.6%+10.8%-73.2%+909.1%+558.6%-25.7%-85.5%+211.4%+65.0%-4.7%-49.9%+33.0%
Ordinary profit JPY ¥1.7bn¥1.4bn¥0.4bn¥1.4bn¥4.4bn¥1.6bn¥1.5bn¥1.3bn¥1.5bn¥5.1bn¥5.7bn¥4.2bn¥4.0bn¥3.1bn¥4.6bn¥5.6bn¥3.4bn¥5.2bn¥9.6bn¥11bn¥14bn¥21bn¥19bn¥5.0bn¥9.9bn¥10bn¥6.5bn¥3.1bn¥4.2bn¥4.3bn¥1.7bn¥13bn¥73bn¥53bn¥6.3bn¥25bn¥43bn¥42bn¥23bn¥26bn
Net profit JPY ¥0.9bn¥0.6bn¥0.3bn¥0.8bn¥2.1bn¥1.1bn¥1.0bn¥0.9bn¥1.2bn¥2.5bn¥3.1bn¥2.3bn¥2.2bn¥1.7bn¥2.2bn¥3.2bn-¥0.2bn¥0.0bn¥0.2bn¥1.7bn¥3.8bn¥2.7bn¥1.0bn¥1.4bn¥1.9bn¥1.6bn¥1.0bn¥3.3bn¥2.5bn¥5.2bn¥7.9bn¥11bn¥11bn¥2.6bn¥5.6bn¥6.1bn¥1.9bn¥1.2bn¥2.5bn¥2.4bn-¥7.9bn¥12bn¥73bn¥32bn¥1.0bn¥16bn¥22bn¥25bn-¥56bn¥20bn
YoY % -33.3%-50.0%+166.7%+162.5%-47.6%-9.1%-10.0%+33.3%+108.3%+24.0%-25.8%-4.3%-22.7%+29.4%-106.2%+750.0%+123.5%-28.9%-63.0%+40.0%+35.7%-15.8%-37.5%+230.0%-24.2%+108.0%+51.9%+44.3%-3.5%-76.4%+115.4%+8.9%-68.9%-36.8%+108.3%-4.0%-429.2%+495.9%-56.5%-96.9%+1510.0%+39.1%+13.4%-322.0%
Operating margin % 13.9%14.9%17.6%16.8%6.4%9.9%10.0%5.8%1.7%3.2%3.9%1.2%10.5%31.6%20.7%3.9%9.5%11.9%10.6%5.5%8.0%
Net margin % 6.8%4.3%2.0%4.6%7.7%6.7%3.3%2.9%3.8%6.4%6.1%4.6%4.4%3.4%4.0%5.8%-0.3%0.0%0.4%2.8%6.0%4.0%1.7%2.5%2.9%2.5%1.8%5.5%3.7%6.7%8.0%9.7%8.6%3.1%5.2%5.8%1.9%1.2%2.2%2.3%-8.9%11.6%31.7%12.2%0.5%6.2%6.6%7.0%-16.1%6.2%
Cost structure Cost of sales SG&A Operating profit Operating margin

Where each yen of revenue goes — cost of sales, SG&A and what is left as operating profit (¥ bn, stacked)

Revenue and its cost lines, every year the breakdown was filed (¥ bn).
Fiscal year Unit 2005 *1 FYE Dec 2006 *1 FYE Dec 2007 *1 FYE Dec 2008 *1 FYE Dec 2009 *1 FYE Dec 2010 *1 FYE Dec 2011 *1 FYE Dec 2012 *1 FYE Dec 2013 *1 FYE Dec 2014 *1 FYE Dec 2015 *1 FYE Dec 2016 *1 FYE Dec 2017 *1 FYE Dec 2018 *1 FYE Dec 2019 *1 FYE Dec 2020 *1 FYE Dec 2021 *1 FYE Dec 2022 *1 FYE Dec 2023 *1 FYE Dec 2024 *1 FYE Dec 2025 *1 FYE Dec
Revenue JPY ¥78bn¥99bn¥117bn¥128bn¥83bn¥108bn¥105bn¥99bn¥101bn¥115bn¥105bn¥89bn¥106bn¥231bn¥262bn¥202bn¥259bn¥340bn¥364bn¥350bn¥323bn
YoY % +27.4%+18.5%+9.4%-35.2%+29.3%-2.6%-5.9%+2.3%+13.5%-8.5%-15.5%+20.0%+117.7%+13.3%-23.1%+28.4%+31.5%+6.9%-3.8%-7.8%
Cost of sales JPY ¥55bn¥70bn¥80bn¥90bn¥65bn¥83bn¥81bn¥80bn¥86bn¥96bn¥85bn¥72bn¥79bn¥132bn¥169bn¥152bn¥188bn¥246bn¥265bn¥269bn¥243bn
SG&A JPY ¥12bn¥15bn¥17bn¥17bn¥13bn¥14bn¥13bn¥13bn¥14bn¥15bn¥16bn¥15bn¥16bn¥26bn¥38bn¥42bn¥46bn¥53bn¥60bn¥61bn¥54bn
Operating profit JPY ¥11bn¥15bn¥21bn¥22bn¥5.3bn¥11bn¥10bn¥5.7bn¥1.7bn¥3.7bn¥4.1bn¥1.1bn¥11bn¥73bn¥54bn¥7.9bn¥25bn¥41bn¥39bn¥19bn¥26bn
YoY % +37.3%+40.2%+4.2%-75.5%+99.6%-1.0%-45.5%-71.0%+123.7%+10.4%-72.3%+880.8%+558.7%-25.6%-85.5%+213.7%+64.7%-4.6%-49.9%+33.3%
Operating margin % 13.9%14.9%17.7%16.8%6.4%9.8%10.0%5.8%1.6%3.2%3.9%1.3%10.4%31.6%20.7%3.9%9.5%11.9%10.6%5.5%8.0%
Change pp +1.0pp+2.8pp-0.9pp-10.4pp+3.4pp+0.2pp-4.2pp-4.2pp+1.6pp+0.7pp-2.6pp+9.1pp+21.2pp-10.9pp-16.8pp+5.6pp+2.4pp-1.3pp-5.1pp+2.5pp
Balance sheet Total assets Equity Interest-bearing debt Equity ratio

Total assets, equity and interest-bearing debt (¥ bn), with the equity ratio (%)

Balance-sheet totals, every year on record (¥ bn).
Fiscal year Unit 2005 *1 FYE Dec 2006 *1 FYE Dec 2007 *1 FYE Dec 2008 *1 FYE Dec 2009 *1 FYE Dec 2010 *1 FYE Dec 2011 *1 FYE Dec 2012 *1 FYE Dec 2013 *1 FYE Dec 2014 *1 FYE Dec 2015 *1 FYE Dec 2016 *1 FYE Dec 2017 *1 FYE Dec 2018 *1 FYE Dec 2019 *1 FYE Dec 2020 *1 FYE Dec 2021 *1 FYE Dec 2022 *1 FYE Dec 2023 *1 FYE Dec 2024 *1 FYE Dec 2025 *1 FYE Dec
Total assets JPY ¥150bn¥164bn¥174bn¥172bn¥155bn¥155bn¥162bn¥167bn¥183bn¥210bn¥184bn¥159bn¥185bn¥330bn¥463bn¥460bn¥513bn¥576bn¥640bn¥644bn¥664bn
YoY % +9.6%+6.2%-1.2%-10.0%+0.2%+4.0%+3.2%+10.1%+14.7%-12.5%-13.7%+16.3%+78.6%+40.3%-0.7%+11.5%+12.5%+11.0%+0.5%+3.2%
Equity JPY ¥86bn¥98bn¥93bn¥103bn¥104bn¥103bn¥104bn¥113bn¥123bn¥132bn¥123bn¥111bn¥126bn¥187bn¥212bn¥201bn¥229bn¥269bn¥324bn¥289bn¥318bn
YoY % +14.1%-5.4%+11.0%+1.4%-0.6%+0.8%+8.6%+8.8%+7.4%-7.1%-9.7%+13.9%+48.1%+13.2%-5.0%+13.9%+17.3%+20.7%-10.9%+10.1%
Interest-bearing debt JPY ¥21bn¥23bn¥17bn¥27bn¥22bn¥18bn¥21bn¥21bn¥26bn¥38bn¥22bn¥7.0bn¥14bn¥48bn¥82bn¥55bn¥41bn¥47bn¥48bn¥59bn¥73bn
Equity ratio % 57.3%59.7%53.1%59.7%67.2%66.6%64.5%68.0%67.2%62.9%66.8%69.9%68.4%56.7%45.8%43.8%44.7%46.6%50.7%44.9%47.9%
Change pp +2.4pp-6.6pp+6.6pp+7.5pp-0.6pp-2.1pp+3.5pp-0.8pp-4.3pp+3.9pp+3.1pp-1.5pp-11.7pp-10.9pp-2.0pp+0.9pp+1.9pp+4.1pp-5.8pp+3.0pp
Cash flow Operating CF Investing CF Financing CF

Cash generated by operations, spent on investment and raised or repaid in financing (¥ bn)

Cash flows as filed, every year on record (¥ bn). A negative figure is cash out.
Fiscal year Unit 2005 *1 FYE Dec 2006 *1 FYE Dec 2007 *1 FYE Dec 2008 *1 FYE Dec 2009 *1 FYE Dec 2010 *1 FYE Dec 2011 *1 FYE Dec 2012 *1 FYE Dec 2013 *1 FYE Dec 2014 *1 FYE Dec 2015 *1 FYE Dec 2016 *1 FYE Dec 2017 *1 FYE Dec 2018 *1 FYE Dec 2019 *1 FYE Dec 2020 *1 FYE Dec 2021 *1 FYE Dec 2022 *1 FYE Dec 2023 *1 FYE Dec 2024 *1 FYE Dec 2025 *1 FYE Dec
Operating CF JPY ¥9.7bn¥6.7bn¥16bn¥8.3bn¥12bn¥19bn¥13bn¥8.8bn¥12bn¥12bn¥21bn¥18bn¥11bn¥44bn¥42bn¥55bn¥38bn¥41bn¥62bn¥64bn¥56bn
YoY % -31.2%+140.9%-48.6%+45.9%+53.9%-31.3%-30.9%+31.5%+3.2%+72.0%-15.1%-39.8%+318.4%-5.5%+32.1%-30.8%+8.2%+50.6%+3.9%-13.3%
Investing CF JPY -¥12bn-¥8.4bn-¥12bn-¥17bn-¥9.2bn-¥6.1bn-¥11bn-¥13bn-¥11bn-¥24bn¥3.2bn-¥3.6bn-¥14bn-¥54bn-¥99bn-¥44bn-¥35bn-¥50bn-¥48bn-¥71bn-¥51bn
Financing CF JPY -¥4.3bn-¥0.6bn-¥2.3bn¥9.6bn-¥7.3bn-¥6.8bn¥2.6bn-¥3.6bn¥1.4bn¥9.7bn-¥15bn-¥7.6bn-¥4.5bn¥30bn¥65bn¥0.9bn¥1.2bn-¥11bn-¥15bn¥9.4bn-¥7.7bn
Cash & equivalents JPY ¥13bn¥11bn¥13bn¥13bn¥9.0bn¥14bn¥19bn¥12bn¥16bn¥15bn¥23bn¥29bn¥22bn¥41bn¥46bn¥58bn¥64bn¥49bn¥56bn¥65bn¥64bn
YoY % -16.9%+20.3%+1.6%-32.4%+56.0%+32.6%-35.9%+34.9%-8.2%+55.5%+24.4%-22.4%+85.7%+12.9%+24.3%+11.6%-23.4%+14.3%+15.4%-1.2%
Key ratios Operating margin Net margin ROE Equity ratio

Profitability and balance-sheet strength (%). ROE uses year-end equity.

Ratios by fiscal year (%), with the year-on-year move in percentage points. Derived from the filed figures above.
Fiscal year Unit 2001 *1 FYE Dec 2002 *1 FYE Dec 2003 *1 FYE Dec 2004 *1 FYE Dec 2005 *1 FYE Dec 2006 *1 FYE Dec 2007 *1 FYE Dec 2008 *1 FYE Dec 2009 *1 FYE Dec 2010 *1 FYE Dec 2011 *1 FYE Dec 2012 *1 FYE Dec 2013 *1 FYE Dec 2014 *1 FYE Dec 2015 *1 FYE Dec 2016 *1 FYE Dec 2017 *1 FYE Dec 2018 *1 FYE Dec 2019 *1 FYE Dec 2020 *1 FYE Dec 2021 *1 FYE Dec 2022 *1 FYE Dec 2023 *1 FYE Dec 2024 *1 FYE Dec 2025 *1 FYE Dec
Operating margin % 13.9%14.9%17.7%16.8%6.4%9.8%10.0%5.8%1.6%3.2%3.9%1.3%10.4%31.6%20.7%3.9%9.5%11.9%10.6%5.5%8.0%
Change pp +1.0pp+2.8pp-0.9pp-10.4pp+3.4pp+0.2pp-4.2pp-4.2pp+1.6pp+0.7pp-2.6pp+9.1pp+21.2pp-10.9pp-16.8pp+5.6pp+2.4pp-1.3pp-5.1pp+2.5pp
Net margin % 2.6%1.9%5.6%3.8%6.8%8.0%9.7%8.6%3.2%5.2%5.8%2.0%1.2%2.2%2.4%-9.0%11.6%31.7%12.2%0.5%6.2%6.6%7.0%-16.1%6.2%
Change pp -0.7pp+3.7pp-1.8pp+3.0pp+1.2pp+1.7pp-1.1pp-5.4pp+2.0pp+0.6pp-3.8pp-0.8pp+1.0pp+0.2pp-11.4pp+20.6pp+20.1pp-19.5pp-11.7pp+5.7pp+0.4pp+0.4pp-23.1pp+22.3pp
ROE % 6.2%8.1%12.3%10.8%2.6%5.4%5.9%1.8%1.0%1.9%2.0%-7.1%9.8%39.2%15.1%0.5%7.0%8.3%7.8%-19.5%6.3%
Change pp +1.9pp+4.2pp-1.5pp-8.2pp+2.8pp+0.5pp-4.1pp-0.8pp+0.9pp+0.1pp-9.1pp+16.9pp+29.4pp-24.1pp-14.6pp+6.5pp+1.3pp-0.5pp-27.3pp+25.8pp
Equity ratio % 57.3%59.7%53.1%59.7%67.2%66.6%64.5%68.0%67.2%62.9%66.8%69.9%68.4%56.7%45.8%43.8%44.7%46.6%50.7%44.9%47.9%
Change pp +2.4pp-6.6pp+6.6pp+7.5pp-0.6pp-2.1pp+3.5pp-0.8pp-4.3pp+3.9pp+3.1pp-1.5pp-11.7pp-10.9pp-2.0pp+0.9pp+1.9pp+4.1pp-5.8pp+3.0pp
Reporting basis

Which accounting standard each fiscal year was filed under. Figures are not strictly comparable across a change of standard.

Accounting standard and reporting basis, by fiscal year.
Fiscal year Unit 2000 *1 FYE Dec 2001 *1 FYE Dec 2002 *1 FYE Dec 2003 *1 FYE Dec 2004 *1 FYE Dec 2005 *1 FYE Dec 2006 *1 FYE Dec 2007 *1 FYE Dec 2008 *1 FYE Dec 2009 *1 FYE Dec 2010 *1 FYE Dec 2011 *1 FYE Dec 2012 *1 FYE Dec 2013 *1 FYE Dec 2014 *1 FYE Dec 2015 *1 FYE Dec 2016 *1 FYE Dec 2017 *1 FYE Dec 2018 *1 FYE Dec 2019 *1 FYE Dec 2020 *1 FYE Dec 2021 *1 FYE Dec 2022 *1 FYE Dec 2023 *1 FYE Dec 2024 *1 FYE Dec 2025 *1 FYE Dec
Standard JGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAPJGAAP
Basis ConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidatedConsolidated
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.

Annual average ¥/US$ rate, 1949–2026. YoY above zero means the yen weakened.
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%

Exchange rates & sources — the full table →

Download the long-term series (CSV) → Compiled from securities reports and other public filings. We do not guarantee accuracy or currency, and do not track post-filing corrections. Check the primary sources before relying on these figures.

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


Data API

Tokai Carbon’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/5301/manifest.json Resource index
GET /api/5301/history.json History overview
GET /api/5301/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/5301/decisions.json Management decisions (index)
GET /api/5301/decisions/{slug}.json One decision (full dossier)
GET /api/5301/executives.json Executives
GET /api/5301/shareholders.json Major shareholders
GET /api/5301/financials.json Financial statements
GET /api/5301/financials-longterm.json Long-term results
GET /api/5301/segments.json Business segments
GET /api/5301/regions.json Sales by region
GET /api/5301/workforce.json Workforce