Licensing silicone from General Electric and replacing the fertilizer mix (1953)
Not counting the five years it did not sell
The silicone contracted for in 1953 did not reach profitability until around 1960, and demand did not truly take off for another decade after that. The weight of this decision lies in the fact that a company deriving 80% of its sales from fertilizer carried, for five years, what Kosaka Tokusaburo remembered as a state in which the product “could hardly be called merchandise.” Harder than the decision to buy the technology, in practice, was the management that kept going without counting the years it failed to sell.
That said, silicone alone did not reshape the business mix. In the term ended November 1963 the largest share, 43%, came from vinyl chloride and caustic soda, with silicon-related products at only 17%. Rather than silicone remaking the company, it is closer to the truth that the chlorine and methyl chloride streams silicone brought with it pulled in PVC and high-purity silicon one after another. It was not a single new business but a chain of feedstocks that turned a fertilizer maker into a chemical company.
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 Shin-Etsu Chemical
- 1976 Taking full ownership of Shintech and integrating PVC around a Texas location (1976)
- 1979 Founding Shin-Etsu Handotai with Dow Corning — and buying it out under a first-refusal right (1979)
- 1990 Kanagawa Chihiro’s presidency and “run flat out, sell everything” company-wide (1990)
- 2016 Handing the presidency to Mori Shunzo, then in two stages to Saito Yasuhiko via Shintech (2016)
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
Shin-Etsu Chemical’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/4063/manifest.json | Resource index |
| GET | /api/4063/history.json | History overview |
| GET | /api/4063/timeline.json | Chronology |
| GET | /api/decisions.json | All management decisions (index) |
| GET | /api/4063/decisions.json | Management decisions (index) |
| GET | /api/4063/decisions/{slug}.json | One decision (full dossier) |
| GET | /api/4063/executives.json | Executives |
| GET | /api/4063/shareholders.json | Major shareholders |
| GET | /api/4063/financials.json | Financial statements |
| GET | /api/4063/financials-longterm.json | Long-term results |
| GET | /api/4063/segments.json | Business segments |
| GET | /api/4063/regions.json | Sales by region |
| GET | /api/4063/workforce.json | Workforce |