Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828353 | Submersible optical wet connector | Toshio Hagihara | 1989-05-09 |
| 4810526 | Method of coating a recrystallized silicon carbide body with a compact silicon carbide coating | Toshiaki Ito, Kazunori Meguro | 1989-03-07 |