Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567374 | Internal combustion engine | Kenji Tsukahara, Kazuhiro Matsui | 2013-10-29 |
| 7665435 | Internal combustion engine provided with camshaft-driven accessory | Aritoshi Imazato | 2010-02-23 |
| 6953015 | Engine | Masaru Asari, Ikuro Hara, Hiroshi Takagishi | 2005-10-11 |
| 6796281 | Internal combustion engine with valve train | Hiroyuki Mamiya, Ikuro Hara, Hidemi Arai, Masaru Asari | 2004-09-28 |
| 5460130 | SOHC-type valve operating system in internal combustion engine | Masami Fukuzawa, Koichi Fukuo, Yoshihiro Fujiyoshi, Hidemi Arai, Shinichi Nishida +3 more | 1995-10-24 |
| 4829948 | Valve operating device for internal combustion engine | Kazuo Yoshida, Kenji Hirose, Toshiyasu Komatsu, Yoshihito Tsuji | 1989-05-16 |