Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324814 | Production process of arylene thioether copolymer | Yukichika Kawakami, Yoshikatsu Satake | 1994-06-28 |
| 5312880 | Production processes of arylene thioether oligomer and copolymer | Hiroyuki Sato, Yukichika Kawakami | 1994-05-17 |
| 5304629 | Production processes of arylene thioether oligomer and copolymer | Hiroyuki Sato, Yuichika Kawakami | 1994-04-19 |
| 5304630 | Production processes of arylene thioether oligomer and copolymer | Hiroyuki Sato, Yukichika Kawakami | 1994-04-19 |