Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4697564 | Air-fuel ratio control system | Hiroki Yasuda, Masaharu Kubota | 1987-10-06 |
| 4680990 | System for controlling the transmission ratio of an infinitely variable transmission | — | 1987-07-21 |
| 4663991 | System for controlling the transmission ratio of an infinitely variable transmission | Hiroyuki Nakamura | 1987-05-12 |
| 4664216 | Four-wheel drive vehicle | Masayuki Kodama | 1987-05-12 |
| 4555762 | Engine speed control system | Kazuo Hara, Kunihiro Abe | 1985-11-26 |
| 4549163 | Slip indicating system for a four-wheel drive vehicle | Tetsuo Satoh, Shoji Ogata | 1985-10-22 |
| 4503828 | Control system | Fujio Matsui | 1985-03-12 |
| 4498441 | Air-fuel ratio control system | Mitsuo Nakamura | 1985-02-12 |
| 4475503 | Engine speed control system | Hiroyuki Nakamura, Yoshiaki Kasai | 1984-10-09 |
| 4470395 | Air-fuel ratio control system | Yoshiaki Ohara | 1984-09-11 |
| 4465048 | Air-fuel ratio control system | Takuro Morozumi, Mitsuo Nakamura, Ryuji Kataoka | 1984-08-14 |
| 4451793 | Control system | Fujio Matsui | 1984-05-29 |
| 4447880 | System for detecting the transient state of engine operation | Yoshiaki Kasai | 1984-05-08 |
| 4433748 | Instructing system for a four-wheel drive vehicle | Tetsuo Satoh, Shoji Ogata | 1984-02-28 |
| 4419975 | Air-fuel ratio control system | Masaharu Kubota, Ichiro Kudo | 1983-12-13 |
| 4402288 | System for regulating the engine speed | Makoto Shikata, Kazuo Hara | 1983-09-06 |
| 4402293 | Air-fuel ratio control system | — | 1983-09-06 |
| 4402292 | Air-fuel ratio control system | Fujio Matsui | 1983-09-06 |
| 4386592 | Air-fuel ratio control system | Fujio Matsui | 1983-06-07 |
| 4385608 | System for controlling air-fuel ratio | Hiroki Yasuda, Hitoshi Suzuki | 1983-05-31 |
| 4383510 | System for regulating the engine speed | Hiroyuki Nakamura, Makoto Shikata, Kazuo Hara | 1983-05-17 |
| 4378773 | Control system | — | 1983-04-05 |
| 4375796 | Air-fuel ratio control system | Fujio Matsui | 1983-03-08 |
| 4375210 | Air-fuel ratio control system | Yoshiaki Ohara | 1983-03-01 |
| 4367708 | System for regulating the engine speed | Hiroyuki Nakamura, Makoto Shikata | 1983-01-11 |