Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D301849 | Four wheel vehicle | Mitsuru Yamamoto, Akira Watanabe | 1989-06-27 |
| D300011 | Four-wheeled buggy | Yukinori Kawaguchi, Kazuhiko Yokoyama | 1989-02-28 |
| D299631 | Four-wheeled motorcycle | Akira Watanabe, Koji Miwa, Shigeru Kuroda | 1989-01-31 |
| D299324 | Four wheeled vehicle | Mitsuru Yamamoto, Akira Watanabe | 1989-01-10 |