Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889328 | Insulator for use in automotive suspension or the like | Takaaki Uno, Hiroshi Yamahata | 1989-12-26 |
| 4883950 | Composite magnetic and optical head | Yoshiaki Ohishi, Jituo Migita, Hajime Mochizuki, Takao Kobayashi | 1989-11-28 |
| 4836636 | Optical switch and optical keyboard utilizing the same | Yuichi Obara, Kenichi Fuse, Yoshihiro Onuma, Takao Toya | 1989-06-06 |