Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852677 | Guiding method for autonomous traveling vehicle | — | 1989-08-01 |
| 4847774 | Method and apparatus for detecting traveling position and/or direction of an unmanned vehicle | Hisao Tomikawa | 1989-07-11 |