Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366305 | Process for heat stabilizing oxymethylene copolymers | Akira Amemiya, Tomotaka Furusawa, Mutsuhiko Takeda, Katsumasa Tanaka, Toshikazu Umemura +4 more | 1982-12-28 |
| 4339569 | Process for continuous production of oxymethylene polymer or copolymer | Akitoshi Sugio, Akira Amemiya, Tomotaka Furusawa, Mutsuhiko Takeda, Katsumasa Tanaka +1 more | 1982-07-13 |
| 4301273 | Process for stabilizing oxymethylene copolymers | Akitoshi Sugio, Akira Amemiya, Tomotaka Furusawa, Mutsuhiko Takeda, Katsumasa Tanaka +1 more | 1981-11-17 |
| 4224435 | Method for mixing raw materials for producing oxymethylene copolymers | Akitoshi Sugio, Akira Amamiya, Tomotaka Furusawa, Mutsuhiko Takeda, Katsumasa Tanaka +2 more | 1980-09-23 |