Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814424 | Method of stabilizing polyoxymethylene copolymer | Isamu Masumoto, Mitsuo Nakagawa, Yukihiro Iha | 1989-03-21 |
| 4620970 | Method for generation of oxygen gas | Jun Kokubu, Minoru Kubota | 1986-11-04 |
| 4189565 | Process for polymerizing trioxane | Akitoshi Sugio, Akira Amemiya, Tetsuya Abe, Tomotaka Furusawa, Mutsuhiko Takeda +6 more | 1980-02-19 |