Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4694809 | Method and system for internal combustion engine oxygen sensor heating control with time smoothing | Takao Ishibashi, Takao Akatsuka, Masao Kawaguchi | 1987-09-22 |
| 4691131 | Stator laminate impregnation in a liquid-cooled motor | — | 1987-09-01 |
| 4655182 | Method and system for internal combustion engine oxygen sensor heating control which provide maximum sensor heating after cold engine starting | Takao Ishibashi, Takao Akatsuka, Mamoru Takata | 1987-04-07 |
| 4626337 | Oxygen sensor | Yasumichi Hotta, Takao Akatsuka, Masao Kawaguchi, Takao Ishibashi | 1986-12-02 |
| 4611562 | Method and system for internal combustion engine oxygen sensor heating control which provide sensor heating limited for reliable operation | Takao Ishibashi, Takao Akatsuka, Masao Kawaguchi | 1986-09-16 |
| 4569748 | Oxygen sensor | Michihiro Yamakawa, Takao Akatsuka, Masao Kawaguchi, Takao Ishibashi | 1986-02-11 |
| 4569027 | Method and apparatus for detecting rotational speed of rotary member | Munetaka Noda | 1986-02-04 |
| 4563991 | Engine air/fuel ratio control method and system selectively providing feedback control or open loop control according to oxygen sensor heating condition | Takao Akatsuka, Takao Ishibashi, Masao Kawaguchi | 1986-01-14 |
| 4561402 | Method and system for internal combustion engine oxygen sensor heating control, synchronizing heater voltage detection with heater energization, and calculating power loss | Takao Ishibashi, Takao Akatsuka, Mamoru Takata | 1985-12-31 |
| 4489691 | Method and apparatus for controlling the ignition timing of an internal combustion engine | Hironobu Ono, Masaomi Nagase | 1984-12-25 |
| 4485320 | Welded stator using non-magnetic bars in specially shaped lamination slots | Shigeki Kawada, Shigeaki Oyama, Kousei Nakamura | 1984-11-27 |
| 4479184 | Device for maintaining a constant vehicle speed | — | 1984-10-23 |
| 4442813 | Method of and apparatus for controlling the ignition timing of an internal combustion engine | Masaomi Nagase, Hideo Miyagi, Hironobu Ono | 1984-04-17 |
| 4440128 | Method and apparatus for controlling the idling rotational speed of an internal combustion engine | Yohei Watanabe | 1984-04-03 |
| 4426973 | Method of and apparatus for controlling the ignition timing of an internal combustion engine | Hideo Miyagi, Hironobu Ono | 1984-01-24 |
| 4419974 | Method of and apparatus for controlling the ignition timing of an internal combustion engine | Masaomi Nagase, Hironobu Ono, Hideo Miyagi | 1983-12-13 |
| 4418288 | Rotation detector | Yutaka Imai, Motoharu Ezaki | 1983-11-29 |
| 4397281 | Electronic control device for an automobile | Hironobu Ono, Hideo Miyagi | 1983-08-09 |
| 4392471 | Method and apparatus for controlling the air-fuel ratio in an internal combustion engine | Hideo Miyagi | 1983-07-12 |
| 4392467 | Method for operating fuel injector in a computer controlled fuel injection type internal combustion engine | Hideo Miyagi, Toshio Suematsu, Hironobu Ono | 1983-07-12 |
| 4391130 | Method of and apparatus for communicating the operating condition of an internal combustion engine | Hironobu Ono | 1983-07-05 |
| 4389997 | Electronically controlled method and apparatus for varying the amount of fuel injected into an internal combustion engine with acceleration pedal movement and engine temperature | Hideo Miyagi | 1983-06-28 |
| 4381746 | Method of controlling the rotational speed of an internal combustion engine | Hideo Miyagi | 1983-05-03 |
| 4366794 | Fuel injection control method for internal combustion engines | Takasi Hachiga, Kazuyoshi Tamaki, Hironobu Ono | 1983-01-04 |
| 4364363 | Electronically controlling, fuel injection method for internal combustion engine | Hideo Miyagi | 1982-12-21 |