Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182445 | Exhaust switch-over valve malfunction detection system of internal combustion engine | Hideharu Yamazaki, Yuji Yasui, Katsumi Saito, Yoshihisa Iwaki | 2001-02-06 |
| 5946906 | Exhaust gas purification system of internal combustion engine | Shusuke Akazaki, Kohei Hanada, Yuji Yasui, Tadashi Satoh | 1999-09-07 |
| 5797370 | Air-fuel ratio control system for internal combustion engine | Eisuke Kimura, Toru Yano, Kohei Hanada, Yusuke Tatara, Masanori Hayashi | 1998-08-25 |
| 5701671 | Method for machining a reduction or step-up gear | — | 1997-12-30 |
| 5611754 | Control system for internal combustion engines | Hidezo Umiyama | 1997-03-18 |
| 5472384 | Internally meshing planetary gear structure, reduction or step-up gear having said structure, and method for machining said reduction or step-up gear | — | 1995-12-05 |
| 5389050 | Vehicle automatic transmission control system using fuzzy logic to determine slope and an inferred driver's intention to decelerate (DEC) to determine the correct gear position | Ichiro Sakai, Yoshihisa Iwaki, Shinichi Sakaguchi, Yukihiko Suzaki | 1995-02-14 |
| 5352163 | Step-up or reduction gear series using internally meshing planetary gear structure | Kiyoji Minegishi, Shigeru Toyosumi, Ryoji Sakurai | 1994-10-04 |
| 5337630 | Vehicle automatic transmission control system | Ichiro Sakai, Shinichi Sakaguchi | 1994-08-16 |
| 5322485 | Internally meshing planetary gear structure | — | 1994-06-21 |
| 5222922 | Inscribed meshing planetary gear construction | Atsushi Takahashi, Shigeru Toyosumi, Kiyoji Minegishi | 1993-06-29 |
| 4909102 | Planetary gear system | — | 1990-03-20 |