Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864207 | Unmanned vehicle guidance system | Fumio Yamauchi | 1989-09-05 |
| 4800978 | Magnetic object detecting system for automated guided vehicle system | Yasuhiro Wasa, Yojiro Kondo | 1989-01-31 |