Issued Patents All Time
Showing 76–87 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399792 | Air/fuel ratio control system for internal combustion engines, having engine warming-up detecting means | Kazuo Otsuka, Shin Narasaka | 1983-08-23 |
| 4393842 | Air/fuel ratio control system for internal combustion engines, having atmospheric pressure compensating function | Kazuo Otsuka, Shin Narasaka | 1983-07-19 |
| 4393843 | Air-fuel ratio feedback control system for internal combustion engines, having function of correcting position of air/fuel ratio control valve actuator | Kazuo Otsuka, Shin Narasaka | 1983-07-19 |
| 4383409 | Air/fuel ratio control system for internal combustion engines, having function of detecting air/fuel ratio control initiating timing | Kazuo Otsuka, Shin Narasaka | 1983-05-17 |
| 4380988 | Air/fuel ratio control system for internal combustion engines, having exhaust gas recirculation control function | Kazuo Otsuka, Shin Narasaka | 1983-04-26 |
| 4380985 | Flow rate control system for fluid being supplied to an internal combustion engine, having initial position setting function for flow rate control valve actuator | Kazuo Otsuka, Shin Narasaka | 1983-04-26 |
| 4377142 | Air/fuel ratio control system having an evaporated fuel purging control arrangement | Kazuo Otsuka, Shin Narasaka | 1983-03-22 |
| 4375797 | Air/fuel ratio feedback control system for internal combustion engines | Kazuo Otsuka, Shin Narasaka | 1983-03-08 |
| 4375800 | Control system for internal combustion engines, provided with an exhaust gas recirculation control having a fail safe function | Kazuo Otsuka, Shin Narasaka | 1983-03-08 |
| 4371822 | Control device for pulse motors, having a fail safe function | Kazuo Otsuka, Shin Narasaka | 1983-02-01 |
| 4367713 | Air/fuel ratio control system for internal combustion engines, having air/fuel control function at engine deceleration | Kazuo Otsuka, Shin Narasaka | 1983-01-11 |
| 4364359 | Control system for internal combustion engines, having function of detecting abnormalities in engine speed signal detecting system | Kazuo Otsuka, Shin Narasaka | 1982-12-21 |