Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601273 | Air/fuel ratio monitoring system in IC engine using oxygen sensor | Tsuyoshi Kitahara | 1986-07-22 |
| 4507986 | Control system for motor vehicle | Kenji Okamura, Hatsuo Nagaishi, Tsuyoshi Kitahara, Koyo Nakamura | 1985-04-02 |
| 4494374 | Air/fuel ratio monitoring system in IC engine using oxygen sensor | Tsuyoshi Kitahara, Masaaki Uchida | 1985-01-22 |
| 4479866 | Gas sensor with sensitive element enclosed in perforated hood | Hatsuo Nagaishi, Hidehiro Minami, Kenji Okamura, Yoshitaka Kitagasaki | 1984-10-30 |
| 4471648 | Temperature control system | Masaaki Uchida, Shigeo Isitani | 1984-09-18 |
| 4440621 | System for detection of air/fuel ratio in IC engine by using oxygen sensor operated with supply of current | Tsuyoshi Kitahara, Masaaki Uchida | 1984-04-03 |
| 4430191 | System for feedback control of air/fuel ratio in IC engine with means to control current supply to oxygen sensor | Thuyoshi Kitahara | 1984-02-07 |
| 4365604 | System for feedback control of air/fuel ratio in IC engine with means to control current supply to oxygen sensor | — | 1982-12-28 |
| 4363306 | System for feedback control of air/fuel ratio in IC engine having means for supplying controlled current to oxygen sensor | Kenji Okamura, Toyoaki Nakagawa | 1982-12-14 |
| 4359989 | System for feedback control of air-fuel mixing ratio in intake system of internal combustion engine | Kenji Masaki, Sadao Takase | 1982-11-23 |
| 4359030 | System for feedback control of air/fuel ratio in IC engine with means to control supply of current to oxygen sensor | Kenji Okamura | 1982-11-16 |
| 4354468 | System for feedback control of air/fuel ratio in IC engine with subsystem to control current supply to oxygen sensor | Okamura Kenji | 1982-10-19 |