Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953015 | Engine | Masaru Asari, Kazuaki Shimoyama, Hiroshi Takagishi | 2005-10-11 |
| 6796281 | Internal combustion engine with valve train | Kazuaki Shimoyama, Hiroyuki Mamiya, Hidemi Arai, Masaru Asari | 2004-09-28 |