Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626822 | Valve operating system for multicylinder engine | Kiyohiko Masago, Masaru Kawano, Naoya Ashita, Kei Ueda, Koji Katsumata +2 more | 2020-04-21 |
| 8910608 | Cylinder head | Masaki Hironaka | 2014-12-16 |
| 8434458 | Timing transmission mechanism in engine | Masaru Asari, Naoto Hirayama, Aritoshi Imazato, Kentaro Yamada, Yoshihiro Fujiyoshi | 2013-05-07 |
| 6712031 | Support device for rocker arm | Toshiki Kobayashi | 2004-03-30 |
| 6644254 | Valve train for internal combustion engine | Toshiki Kobayashi, Noriyuki Yamada | 2003-11-11 |
| 6470841 | Valve operating system for internal combustion engines | Atsushi Takahashi, Takaaki Harasaki, Masayasu Tajima, Chikara Tanaka, Noriyuki Yamada | 2002-10-29 |
| 6318315 | Valve operating system for internal combustion engine | Toshiki Kobayashi, Akira Kaburagi | 2001-11-20 |