Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7418933 | Variable lift valve operating system for internal combustion engine | Masayuki Toyokawa, Hidetaka Ozawa, Hiroyuki Murase | 2008-09-02 |
| 7281505 | Variable lift valve operating system for internal combustion engine | Hiroyuki Murase, Hidetaka Ozawa | 2007-10-16 |
| 7104230 | Drive of variable valve lift mechanism | Noriaki Fujii, Hisao Sakai, Tadaharu Shoji, Motohiro Maruyama, Tomoya Fujimoto +2 more | 2006-09-12 |