Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8429895 | Internal combustion engine | Toshihiro Kawai, Kiyoshi Naiki, Takashi Tsukiyama | 2013-04-30 |
| 8011352 | Gas introducing structure of intake path | Fumihiro Shinkai, Koichi Maruyama, Toshihiro Kawai, Kiyoshi Naiki, Takeshi Murakami +1 more | 2011-09-06 |