Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834223 | Valve structure for telescopic hydraulic damper | Sadao Kawamura, Tomeo Fuse, Shuichi Kawahara, Naoyuki Sataka, Hidekuni Ito | 1989-05-30 |
| 4768473 | Exhaust timing control apparatus | Hitoshi Yamamoto, Kouji Okazaki | 1988-09-06 |
| 4672925 | Two-cycle engine | Takahide Miyata, Kazuman Taniuchi, Hitoshi Yamamoto, Katsuhiro Nakamichi | 1987-06-16 |
| 4604865 | Exhaust system air introduction device | Junji Otani, Akira Okubo | 1986-08-12 |
| 4437306 | Exhaust gas cleaning device of internal combustion engine | Yasuo Ikenoya, Hikaru KIMURA | 1984-03-20 |
| 4413392 | Method of making two-stage catalytic converter | Junji Otani, Yasuo Ikenoya | 1983-11-08 |
| 4397817 | Catalytic converter | Junji Otani, Yasuo Ikenoya, Kazuo Fujiwara | 1983-08-09 |
| 4257227 | Secondary air controlling apparatus for internal combustion engines | Toshihiko Sato, Yoichi Ishida | 1981-03-24 |
| 4192402 | Muffler for internal combustion engines | Takashi Nakagawa, Tadashi Sugiuchi, Masaaki Uchida | 1980-03-11 |
| 4192403 | Muffler for internal combustion engines | Takashi Nakagawa, Tadashi Sugiuchi | 1980-03-11 |
| 4192404 | Muffler for internal combustion engines | Takashi Nakagawa, Tadashi Sugiuchi | 1980-03-11 |