Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598110 | Control device for engine | Kenko Ujihara, Hiroaki Shiiba | 2020-03-24 |
| 10202039 | Control device for engine | Kenko Ujihara, Hiroaki Shiiba | 2019-02-12 |
| 5274512 | Coefficient control system for digital equalizer using orthogonal oscillation | Masato Tanaka | 1993-12-28 |
| 5237588 | Automatic equalizer | Masato Tanaka | 1993-08-17 |
| 5222465 | Valve timing control system for engine | Katsuhiko Sakamoto | 1993-06-29 |
| 5181484 | Cam timing control device for automotive engine | Katsuhiko Sakamoto | 1993-01-26 |
| 5134983 | Fuel control system for engine | Hideki Kusunoki, Kazutomo Sasaki, Tomoichirou Shimada | 1992-08-04 |
| 4874993 | Sensorless brushless motor | Masato Tanaka | 1989-10-17 |