Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302651 | Polyarylene sulfide resin composition | Kiyotaka Kawashima | 1994-04-12 |
| 5177137 | Polyphenylene sulfide resin composition | Kiyotaka Kawashima, Tsuneyuki Adachi, Matsuo Suzuki, Morikuni Yamamoto | 1993-01-05 |
| 5169892 | Polyphenylene sulfide resin composition | Kiyotaka Kawashima | 1992-12-08 |