Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729122 | Exhaust gas purification system of internal combustion engines | Norihito Watanabe, Kenji Abe, Yasuyuki Miyahara, Masao Komine, Tadashi Sato +1 more | 2004-05-04 |
| 6601444 | Exhaust gas characteristic detecting apparatus for internal combustion engine | Shusuke Akazaki, Kei Machida, Norihito Watanabe | 2003-08-05 |
| 6422006 | Exhaust gas purifying apparatus for internal combustion engine | Shusuke Akazaki, Norihito Watanabe, Kei Machida | 2002-07-23 |
| 5301766 | Power steering and limited slip differential system | Fujio Momiyama, Noriaki Tokuda, Kohji Harada, Shinichi Oku | 1994-04-12 |
| 5145466 | Limited slip differential and power device | Fujio Momiyama, Shinichi Oku, Junichi Katoh | 1992-09-08 |