Round One

Absorbing Round One and renaming Sugino Kosan after it (1994)

Key decision·1994· Round One — the full company history →

A restructuring that inherited a name

Calling the change from Sugino Kosan to Round One a simple rewriting of the corporate name does not contain what happened. The core of the restructuring can be read in the fact that the indoor leisure complex settled at the Ishizu store in 1990 was gathered up not under Sugino Kosan, the family amusement business, but under Round One, the company newly created for that format. The founder, Sugino Kimihiko, took the new name he had made as a subsidiary back into the parent and set it on the company’s own signboard.

That said, at the point of the switch in 1994 Round One was still an unlisted chain centred on the Kinki region. National recognition, and a stage such as the first section of the Tokyo exchange, would only be obtained through the store openings and listings that came after. Even so, putting the name that stood for the format onto the company early appears to have been the footing on which it expanded as a chain of leisure complexes. To fix the name was also, one could say, to fix the outline of the business.

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 Round One


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

Round One’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/4680/manifest.json Resource index
GET /api/4680/history.json History overview
GET /api/4680/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/4680/decisions.json Management decisions (index)
GET /api/4680/decisions/{slug}.json One decision (full dossier)
GET /api/4680/executives.json Executives
GET /api/4680/shareholders.json Major shareholders
GET /api/4680/financials.json Financial statements
GET /api/4680/financials-longterm.json Long-term results
GET /api/4680/segments.json Business segments
GET /api/4680/regions.json Sales by region
GET /api/4680/workforce.json Workforce