M3

Folding two medical sites into a single m3.com (2003)

Key decision·2003· M3 — the full company history →

Not gathering members, but refusing to gather them twice

The heart of this decision lay less in adding members than in deciding on one place to add them. So-net M3 had not only recruited doctors itself; it had bought medical information sites from WebMD and from its own parent to build scale. The trap a company grown by acquisition tends to fall into is to keep each inherited brand alive and manage members and revenue in parallel. Tanimura Itaru did the opposite: he took the signs down and fixed the place members return to as a single home page. When what you sell to drug makers is the prime real estate on that page, a fragmented front means there is no price to quote.

Narrowing the entrance, though, also means having no substitute when it clogs. By 2015 the company counted more than 80% of Japan’s doctors as members, and it went on stacking products on top of them — clinical trials, recruitment, electronic records, overseas portals — every one of which rests on the premise that doctors are coming to m3.com. How that stance works if they start getting their information somewhere else remains an open question. Whether to integrate acquired assets or run them side by side is also a question about where to concentrate the entrance to the business; the 2003 choice showed that relationship early.

Revenue and net margin, FY1998–FY2008

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2003 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 M3


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

M3’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/2413/manifest.json Resource index
GET /api/2413/history.json History overview
GET /api/2413/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/2413/decisions.json Management decisions (index)
GET /api/2413/decisions/{slug}.json One decision (full dossier)
GET /api/2413/executives.json Executives
GET /api/2413/shareholders.json Major shareholders
GET /api/2413/financials.json Financial statements
GET /api/2413/financials-longterm.json Long-term results
GET /api/2413/segments.json Business segments
GET /api/2413/regions.json Sales by region
GET /api/2413/workforce.json Workforce