Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408361 | Focal length transitional method, auxiliary lens for transiting focal lengths, and lens system and finder having focal length transitional function | — | 1995-04-18 |
| 5351663 | V-type engine | Kazuki Makimura | 1994-10-04 |
| 5309886 | Supercharged internal combustion engine | Mitsuo Hitomi, Shunji Masuda, Toshihiko Hattori, Kenji Kashiyama, Junsou Sasaki +1 more | 1994-05-10 |
| 5220853 | Cam shaft support apparatus for an engine | Osamu Sado, Kazuhiko Ueda, Tatsuya Uesugi, Shunji Masuda | 1993-06-22 |
| 5216989 | Apparatus for driving various devices by internal combustion engine | Toshimitsu Tanaka, Naoyuki Yamagata, Tatsuya Uesugi | 1993-06-08 |
| 5213071 | Support structure for cam shafts | Naoyuki Yamagata, Tatsuya Uesugi, Taiji Matsubara | 1993-05-25 |
| 5207210 | Cylinder head structure of an internal combustion engine | Naoyuki Yamagata, Kenji Kashiyama, Kazumasa Nomura | 1993-05-04 |
| 5205265 | Exhaust gas recirculation system | Kenji Kashiyama, Kazumasa Nomura, Naoyuki Yamagata | 1993-04-27 |
| 5203311 | Exhaust gas recirculation system for an internal combustion engine | Mitsuo Hitomi, Toshihiko Hattori, Kenji Kashiyama, Junsou Sasaki, Kazuaki Umezawa +3 more | 1993-04-20 |
| 5202714 | Finder optical system | — | 1993-04-13 |
| 5181485 | Valve driving mechanism for double overhead camshaft engine | Ichiro Hirose, Tomohisa Handa, Masahiro Choshi | 1993-01-26 |
| 5143036 | Multi-valve internal combustion engine | Toru Shiraishi, Shunji Masuda | 1992-09-01 |
| 5123385 | Dual overhead camshaft engine cylinder head structure | Osamu Sado, Kazuhiko Ueda, Tatsuya Uesugi, Shunji Masuda | 1992-06-23 |
| 5115788 | Supercharging apparatus for internal combustion engine | Junsou Sasaki, Hidefumi Fujimoto | 1992-05-26 |
| 5097805 | Valve driving system for internal combustion engine | Tatsuya Uesugi, Osamu Sado, Kazuhiko Hashimoto | 1992-03-24 |
| 5031586 | Multi-valve engine | Shunji Masuda, Osamu Sado, Kazuhiko Hashimoto, Tatsuya Uesugi | 1991-07-16 |
| 4993370 | Valve driving mechanism for internal combustion engine | Kouichi Hashiyama, Junichi Okita, Kouichi Hatamura, Ryoji Abe | 1991-02-19 |