Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11994839 | Optimization system of manufacturing process and method thereof | Shigenori Matsumoto | 2024-05-28 |
| 5705601 | Process for producing polyester film | Tetsuo Matsumoto | 1998-01-06 |
| 5003029 | Flame resistant polyester from di aryl-di(hydroxyalkylene oxy)aryl phosphine oxide | Tetsuo Matsumoto, Takayuki Imamura, Keizo Tsujimoto | 1991-03-26 |