Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887090 | Vehicle antenna with shiftable gain patterns | Yoshizo Shibano, Tohru Iwai | 1989-12-12 |
| 4862787 | Reaction mechanism for brake booster | Yasuo Tsuyuki | 1989-09-05 |
| 4833481 | Roadside beacon system | Yoshizo Shibano, Tohru Iwai | 1989-05-23 |
| 4823138 | Roadside beacon system | Yoshizo Shibano, Tohru Iwai | 1989-04-18 |