Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905210 | Engine vibration elimination system and variable stroke characteristic engine | Koichi Eto, Akinori Maezuru, Kazuhiko Iso, Yoshihiro Okada, Masakazu Kinoshita | 2011-03-15 |
| 6732684 | Solenoid-type valve actuator for internal combustion engine | Yoshinori Onohara, Yoshitomo Kouno | 2004-05-11 |
| 6633157 | Displacement detecting device | Toshihiro Yamaki, Kenji Abe, Yasuo Shimizu, Minoru Nakamura | 2003-10-14 |
| 6477994 | Electromagnetic driving valve of internal combustion engine | Atsushi Umemoto, Kenji Abe, Yoshinori Onohara | 2002-11-12 |
| 6433662 | Solenoid actuator | Atsushi Umemoto, Minoru Torii | 2002-08-13 |
| 6414406 | Solenoid actuator | Yoshinori Onohara, Osamu Suzuki | 2002-07-02 |
| 6373361 | Core of solenoid actuator | Atsushi Umemoto, Minoru Nakamura | 2002-04-16 |
| 6237550 | Solenoid-operated valve for internal combustion engine | Harumi Hatano, Chihaya Sugimoto, Yoshinori Onohara | 2001-05-29 |
| 6230673 | Solenoid-operated valve for internal combustion engine | Chihaya Sugimoto, Hisao Sakai | 2001-05-15 |
| 5960754 | Valve operating system in internal combustion engine | Mitsuru Sugimoto, Shigekazu Saito | 1999-10-05 |
| 5941201 | Valve operating system in internal combustion engine | Yasuo Shimizu, Mitsuhito Yamazaki, Kenji Hirose, Atsushi Umemoto | 1999-08-24 |
| 5927237 | Valve operating system in internal combustion engine | Yasuyuki Komatsu, Harumi Hatano, Minoru Nakamura | 1999-07-27 |