Shibaura Mechatronics

Merging with Toshiba Mechatronics — and giving up the Shibaura Seisakusho name (1998)

Key decision·1998· Shibaura Mechatronics — the full company history →

The account kept by the side that surrendered its name

In fiscal 1997 the motor division lost ¥600 million and the semiconductor-related division’s ¥1.6 billion profit covered the hole. On the numbers alone it was obvious what should go — but the business being cut away was the origin of the “Shibaura” in Tokyo Shibaura Electric, and the mainstream of Toshiba’s heavy-electrical lineage. Toshiba, holding 61.6% of the shares, came down on the side of swapping the contents from motors to production equipment. The vice-president, Uchiyama, said plainly that he felt the loss of the name.

That the swap worked, though, is something one can say only knowing the numbers that came later. The company that narrowed to equipment posted losses in the years to March 2002 and March 2003, and the roughly 50% overseas sales ratio proclaimed at the merger stood at 39.5% in the year to March 2006. Even so, sales of $803.4M (¥89bn) in the year to March 2005 were 1.7 times the ¥52.0 billion simple sum of the two companies at the time they combined. A company carved out in 1939 as Toshiba’s ordnance and machinery arm had, fifty-nine years later, stopped being a parts supplier to Toshiba.

Revenue and net margin, FY1993–FY2003

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY1998 onwards — after it was taken.

Source: securities reports

Read the full dossier in Japanese →

The Japanese edition carries the complete record of this decision — the situation that forced it, the options weighed, what actually followed, and the sources behind every claim.

Other key decisions at Shibaura Mechatronics


Yen amounts are converted at the average rate of each figure’s own year — not today’s rate; the revenue chart is shown in yen. Exchange rates & sources — the full ¥/US$ table →


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GET /api/6590/manifest.json Resource index
GET /api/6590/history.json History overview
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GET /api/decisions.json All management decisions (index)
GET /api/6590/decisions.json Management decisions (index)
GET /api/6590/decisions/{slug}.json One decision (full dossier)
GET /api/6590/executives.json Executives
GET /api/6590/shareholders.json Major shareholders
GET /api/6590/financials.json Financial statements
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GET /api/6590/segments.json Business segments
GET /api/6590/regions.json Sales by region
GET /api/6590/workforce.json Workforce