Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803628 | Method and apparatus for controlling electro-magnetic particle clutch | Takashi Hayashi, Setsuo Tokoro, Tomoyuki Watanabe | 1989-02-07 |
| 4743223 | Speed ratio control system for a continuously variable transmission for vehicle | Setsuo Tokoro, Tomoyuki Watanabe, Takashi Hayashi | 1988-05-10 |
| 4720793 | Method and apparatus for controlling drive force of a vehicle equipped with continuously variable transmission | Tomoyuki Watanabe, Setsuo Tokoro, Takashi Hayashi | 1988-01-19 |
| 4718306 | Power transmission for use in automobiles continuously variable transmission | Tomoyuki Watanabe, Setsuo Tokoro, Daisaku Sawada | 1988-01-12 |
| 4715258 | Power transmission for use in automobiles having continuously variable transmission | Tomoyuki Watanabe, Setsuo Tokoro, Daisaku Sawada | 1987-12-29 |
| 4715482 | Method and apparatus for controlling an electromagnetic clutch for use on a vehicle | Tomoyuki Watanabe, Setsuo Tokoro, Takashi Hayashi | 1987-12-29 |
| 4691286 | Method and apparatus for detecting combustion variations in internal combustion engine | Hideki Obayashi, Hisasi Kawai, Toshikazu Ina, Setsuo Tokoro, Tokio Kohama | 1987-09-01 |
| 4673378 | Hydraulic control apparatus for a continuously variable transmission | Setsuo Tokoro, Tomoyuki Watanabe | 1987-06-16 |
| 4631043 | Hydraulic control apparatus for a continuously variable transmission | Setsuo Tokoro, Tomoyuki Watanabe | 1986-12-23 |
| 4623052 | Method and apparatus for controlling an electromagnetic clutch for use on a vehicle | Tomoyuki Watanabe, Setsuo Tokoro | 1986-11-18 |
| 4619629 | Hydraulic pressure control apparatus for a continuously variable transmission | Setsuo Tokoro, Tomoyuki Watanabe | 1986-10-28 |
| 4601680 | Control apparatus for use of a continuously variable transmission | Setsuo Tokoro, Tomoyuki Watanabe | 1986-07-22 |
| 4562818 | Method and apparatus for controlling the air-fuel ratio in an internal combustion engine | Tokio Kohama, Hideki Obayashi, Hisasi Kawai, Toshikazu Ina, Setsuo Tokoro | 1986-01-07 |
| 4546673 | Control for vehicle provided with continuously variable speed system power transmission | Tomoyuki Watanabe | 1985-10-15 |
| 4532798 | Measurement of variations in internal combustion engine output | Tokio Kohama, Hideki Obayashi, Hisasi Kawai, Toshikazu Ina, Setsuo Tokoro | 1985-08-06 |
| 4517648 | Torque variation detecting method and apparatus for internal combustion engine | Toshikazu Ina, Hisasi Kawai, Tokio Kohama, Hideki Obayashi, Daisaku Sawada | 1985-05-14 |
| 4513721 | Air-fuel ratio control device for internal combustion engines | Toshikazu Ina, Hideki Obayashi, Hisasi Kawai, Tokio Kohama, Daisaku Sawada | 1985-04-30 |
| 4478185 | Air-fuel ratio and ignition timing regulation by detecting engine running condition | Hideki Obayashi, Tokio Kohama, Hisasi Kawai, Toshikazu Ina, Daisaku Sawada | 1984-10-23 |
| 4421086 | Ignition timing control system for an engine | Tomoyuki Watanabe | 1983-12-20 |
| 4413599 | Ignition timing control system in a spark ignition type internal combustion engine | Tomoyuki Watanabe, Daisaku Sawada | 1983-11-08 |
| 4389992 | Ignition timing control method and system therefor | Tomoyuki Watanabe | 1983-06-28 |
| 4378771 | System for controlling ignition timing in an engine | Daisaku Sawada, Yuji Takeda | 1983-04-05 |
| 4320729 | System for controlling ignition timing in engine | Daisaku Sawada, Yuji Takeda | 1982-03-23 |
| 4275692 | System for controlling ignition timings in engine | Yuji Takeda, Daisaku Sawada | 1981-06-30 |
| 4197821 | Device for controlling vacuum advancing of ignition timing | Daisaku Sawada, Yuji Takeda | 1980-04-15 |