Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880389 | Ignition plug connector and manufacturing method | Shigehiko Mochizuki, Yoshinori Serizawa | 1989-11-14 |
| 4855119 | Method of manufacturing silicon carbide whisker | Hajime Minamikata, Toshiaki Kanno, Hitoshi Ushijima | 1989-08-08 |
| 4837282 | Polyolefin rubber composition | Kiyoshi Yagi, Toshiaki Kanno, Izumi Nomura | 1989-06-06 |