Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847610 | Method of restoring transmission line | Kazuyuki Ozawa | 1989-07-11 |
| 4845709 | Data transfer control system | Masahiro Matsumoto, Kazuo Ohhashi, Minoru Itao | 1989-07-04 |
| D301849 | Four wheel vehicle | Yasuhiro Oba, Mitsuru Yamamoto | 1989-06-27 |
| D299631 | Four-wheeled motorcycle | Yasuhiro Oba, Koji Miwa, Shigeru Kuroda | 1989-01-31 |
| D299324 | Four wheeled vehicle | Yasuhiro Oba, Mitsuru Yamamoto | 1989-01-10 |