Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082895 | Variable valve system for internal combustion engine and its driving mechanism | Yoshihiko Yamada | 2011-12-27 |
| 7281506 | Oil pressure control apparatus for an internal combustion engine | Masanori Koda | 2007-10-16 |
| 6910451 | Valve timing control system and method of producing valve timing control system | Tomoya Tsukada | 2005-06-28 |
| 6848404 | Oil pressure control apparatus for an internal combustion engine | Masanori Koda | 2005-02-01 |
| 6622673 | Oil pressure control apparatus for an internal combustion engine | Masanori Koda | 2003-09-23 |
| 6474280 | Valve timing control system and method of producing valve timing control system | Tomoya Tsukada | 2002-11-05 |
| 6382148 | Oil pressure control apparatus for an internal combustion engine | Masanori Koda | 2002-05-07 |
| 6314929 | Valve timing control device of internal combustion engine | Hideyuki Miyasaka, Hiroaki Imai | 2001-11-13 |