Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862071 | High speed circuit testing apparatus having plural test conditions | Junji Nishiura, Keiichi Takahashi | 1989-08-29 |
| 4828219 | Metal diaphragm valve | Tadahiro Ohmi, Yohichi Kanno, Osamu Uchisawa | 1989-05-09 |
| 4815197 | Process for producing magnetic head | Hiroyuki Ota | 1989-03-28 |
| D300034 | Bellows pump | Norishige Hirakawa, Satoru Hagiwara | 1989-02-28 |
| 4798967 | Control system for foldable outside rearview mirror | Tohru Yamana, Kiyoshi Nakayama | 1989-01-17 |