Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11597030 | Resistance welder controller | Noburo Omori, Yasuhiko Fukuta | 2023-03-07 |
| 5899192 | Fuel supply control system for internal combustion engines | Kojiro Tsutsumi, Katsushi Watanabe | 1999-05-04 |
| 5036820 | Method of determining activation of an exhaust gas concentration sensor equipped with a heater | Sachito Fujimoto, Toshihiro Mibe | 1991-08-06 |
| 4892078 | Fuel supply quantity control method for internal combustion engine | Yoji Fukutomi, Keisuke Kudo | 1990-01-09 |
| 4803898 | Apparatus for detecting a neutral state of a transmission gear of a vehicle engine system | Yoshitaka Hibino, Hiromitsu Sato, Masahiko Asakura, Atsushi Totsune | 1989-02-14 |
| 4770148 | Method of controlling operation of internal combustion engines in dependence upon intake air temperature | Yoshitaka Hibino, Hiromitsu Sato, Masahiko Asakura | 1988-09-13 |
| 4765305 | Control method of controlling an air/fuel ratio control system in an internal combustion engine | Yoshitaka Hibino, Atsushi Totsune | 1988-08-23 |
| 4753209 | Air-fuel ratio control system for internal combustion engines capable of controlling air-fuel ratio in accordance with degree of warming-up of the engines | Yoshitaka Hibino | 1988-06-28 |
| 4750466 | Exhaust gas recirculation method for internal combustion engines for automotive vehicles | Yoshitaka Hibino, Hiromitsu Sato, Masahiko Asakura | 1988-06-14 |
| 4730594 | Air fuel ratio control system for an internal combustion engine with an improved open loop mode operation | Yoshitaka Hibino | 1988-03-15 |
| 4721082 | Method of controlling an air/fuel ratio of a vehicle mounted internal combustion engine | Yoshitaka Hibino, Atsushi Totsune | 1988-01-26 |
| 4715349 | Air intake side secondary air supply system for an internal combustion engine with an improved operation under a small intake air amount | Yoshitaka Hibino | 1987-12-29 |
| 4705011 | Air intake side secondary air supply system for an internal combustion engine with an improved operation for a large amount of the secondary air | Yoshitaka Hibino, Hiromitsu Sato, Masahiko Asakura | 1987-11-10 |