Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634247 | Piston structure for engine | Kazuo Ichikawa, Osamu Aoki, Kouichi Nakano, Yoshiyuki Koga, Shinichi Fujimaki | 2020-04-28 |
| 10352269 | Method of producing piston for engine | Kouichi Nakano, Yoshiyuki Koga | 2019-07-16 |
| 10260451 | Heat insulation structure of combustion chamber of engine | Osamu Aoki, Kazuo Ichikawa | 2019-04-16 |
| 9488094 | Direct injection gasoline engine and method of controlling the direct injection gasoline engine | Hiroyuki Yamashita, Kazuaki Narahara, Tatsuya Tanaka, Yoshitomo Takahashi, Yusuke NAKAO +8 more | 2016-11-08 |
| 5329895 | System for controlling valve shift timing of an engine | Masami Nishida, Toru Kurisu, Hiroaki Sugiura, Hiroshi Enomoto, Masunori Kanda +4 more | 1994-07-19 |