Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4224435 | Method for mixing raw materials for producing oxymethylene copolymers | Akitoshi Sugio, Akira Amamiya, Tadashi Kunii, Tomotaka Furusawa, Mutsuhiko Takeda +2 more | 1980-09-23 |