Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9773631 | Power circuit interrupting device | — | 2017-09-26 |
| 7513228 | Internal combustion engine | Ryosuke Hiyoshi, Tsuyoshi Arinaga | 2009-04-07 |
| 7426913 | Intake valve control system and method for internal combustion engine | Tsuyoshi Arinaga, Takanobu Sugiyama, Ryosuke Hiyoshi, Shinichi Takemura, Shunichi Aoyama | 2008-09-23 |
| 7210450 | Intake control apparatus and method for internal combustion engine | Tsuyoshi Arinaga, Ryosuke Hiyoshi, Shinichi Takemura, Takanobu Sugiyama | 2007-05-01 |
| 7168402 | Intake valve control apparatus and method for an internal combustion engine | Shinichi Takemura, Takanobu Sugiyama, Ryosuke Hiyoshi, Tsuyoshi Arinaga | 2007-01-30 |
| 7107950 | Variable valve actuating mechanism for internal combustion engine | Tsuyoshi Arinaga, Takanobu Sugiyama, Mitsuo Gunji | 2006-09-19 |