Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889082 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Toshihiko Hattori, Akinori Yamashita | 1989-12-26 |
| 4846117 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Akinori Yamashita, Toshihiko Hattori | 1989-07-11 |
| 4829941 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Katsumi Okazaki, Junso Sasaki | 1989-05-16 |