Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7611567 | Exhaust gas purifying apparatus for internal combustion engine | Isao Chiba | 2009-11-03 |
| 7331171 | Control system and method for internal combustion engine | Isao Chiba, Ryuta Matsui, Yoshinori Ishihara, Isao Kaneko | 2008-02-19 |
| 5209201 | Internal combustion engine | Kaoru Horie, Kazutoshi Nishizawa, Takatoshi Aoki, Chihaya Sugimoto, Takeshi Iwata | 1993-05-11 |