Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846729 | Zero insertion force connector actuated by a stored shape member | Toshiya Hikami, Koji Yoshida, Yuichi Obara | 1989-07-11 |
| 4836636 | Optical switch and optical keyboard utilizing the same | Yuichi Obara, Yoshihiro Onuma, Takao Toya, Kazuo Chiba | 1989-06-06 |