Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11437873 | Stator with split iron cores and insulators with protrusions | Masaki Shinohara, Daisuke Shijo | 2022-09-06 |
| D927422 | Servomotor | Haruyuki Hasegawa, Fumiaki Tsuchiya, Toshihiro Tanaka, Yoshiyuki Hisamatsu, Masahiro Tanaka +4 more | 2021-08-10 |
| 4694809 | Method and system for internal combustion engine oxygen sensor heating control with time smoothing | Jiro Nakano, Takao Akatsuka, Masao Kawaguchi | 1987-09-22 |
| 4655182 | Method and system for internal combustion engine oxygen sensor heating control which provide maximum sensor heating after cold engine starting | Jiro Nakano, Takao Akatsuka, Mamoru Takata | 1987-04-07 |
| 4626337 | Oxygen sensor | Yasumichi Hotta, Takao Akatsuka, Masao Kawaguchi, Jiro Nakano | 1986-12-02 |
| 4611562 | Method and system for internal combustion engine oxygen sensor heating control which provide sensor heating limited for reliable operation | Jiro Nakano, Takao Akatsuka, Masao Kawaguchi | 1986-09-16 |
| 4569748 | Oxygen sensor | Michihiro Yamakawa, Takao Akatsuka, Masao Kawaguchi, Jiro Nakano | 1986-02-11 |
| 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, Jiro Nakano, 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 | Jiro Nakano, Takao Akatsuka, Mamoru Takata | 1985-12-31 |
| 4316656 | Information display arrangement for camera | Kenjiro Osonoi | 1982-02-23 |
| 4281909 | Modular camera system | Kenjiro Osonoi | 1981-08-04 |
| 4279481 | Information display arrangement for camera | Kenjiro Osonoi | 1981-07-21 |