ADEKA

Taking 51% of Nihon Nohyaku, spun off in 1928, by tender offer and third-party allotment (2018)

Key decision·2018· ADEKA — the full company history →

The scar left by the way control was taken

The tender offer alone did not reach 51%. ADEKA closed the gap by having Nihon Nohyaku issue new shares to it. Buying from the market at $8 (¥900) a share while making the same company issue new shares at $6 (¥670) — the two-step design is rational as the shortest route to control, but to a shareholder who had held on rather than sell it also meant a stake diluted at a cheaper price. When US institutional investors objected that the interests of minority shareholders were being ignored, it appears to have been this combination, rather than the level of the price, that drew the reaction.

On the operating side, though, the absorption has paid. Life-science sales grew from $311.6M (¥34bn) to $738M (¥112bn), and the fourth pillar really did stand up. Nihon Nohyaku, for its part, had itself identified strengthening its financial base as the issue, as the wherewithal for R&D and M&A. Even so, seven years later what City Index Eleventh demanded was a special committee to review the policy on holding Nihon Nohyaku. The operating result and the doubt about the shape of the capital remain, separately, side by side.

Revenue and net margin, FY2013–FY2023

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2018 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 ADEKA


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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Data API

ADEKA’s history, financials, executives and shareholders are published as static JSON — no key, plain GET. Full specification →

Method Endpoint Returns
GET /api/companies.json All companies
GET /api/4401/manifest.json Resource index
GET /api/4401/history.json History overview
GET /api/4401/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/4401/decisions.json Management decisions (index)
GET /api/4401/decisions/{slug}.json One decision (full dossier)
GET /api/4401/executives.json Executives
GET /api/4401/shareholders.json Major shareholders
GET /api/4401/financials.json Financial statements
GET /api/4401/financials-longterm.json Long-term results
GET /api/4401/segments.json Business segments
GET /api/4401/regions.json Sales by region
GET /api/4401/workforce.json Workforce