Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843113 | Aromatic polysulfone resin composition having excellent plating characteristics | Yoshiharu Tatsukami, Masakazu Inoue, Kuniaki Asai | 1989-06-27 |
| 4820761 | Aromatic polysulfone resin composition | Teruo Saito, Haruo Hayashida | 1989-04-11 |