Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264498 | Polycarbonate resin composition | Koji Hashimoto | 1993-11-23 |
| 5248754 | Process for continuous production of polycarbonate oligomer | Hideyuki Ichihana, Koji Hashimoto | 1993-09-28 |
| 5045582 | Fire-retardant polycarbonate resin composition | Kouji Hashimoto | 1991-09-03 |