Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889082 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Yasuhiro Yuzuriha, Toshihiko Hattori | 1989-12-26 |
| 4846117 | Intake system for multiple-cylinder engine | Mitsuo Hitomi, Toshihiko Hattori, Yasuhiro Yuzuriha | 1989-07-11 |
| 4811231 | Apparatus for controlling fuel injection and swirl motion of air in internal combustion engine | Kenji Hataoka, Masanori Misumi, Noboru Hashimoto | 1989-03-07 |