Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605987 | Production process of alkylene thioether-arylene thioether copolymer | Yukichika Kawakami, Hiroyuki Sato | 1997-02-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605987 | Production process of alkylene thioether-arylene thioether copolymer | Yukichika Kawakami, Hiroyuki Sato | 1997-02-25 |