Issued Patents All Time
Showing 101–125 of 172 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000133 | Two-cycle heat-insulating engine | — | 1991-03-19 |
| 4998951 | Turbocharger control system | — | 1991-03-12 |
| 4998517 | Heat insulating engine | — | 1991-03-12 |
| 4984541 | Valve stepping drive apparatus | — | 1991-01-15 |
| 4976228 | Valve control system for internal combustion engine | — | 1990-12-11 |
| 4972810 | Electromagnetic force valve driving apparatus | — | 1990-11-27 |
| 4958497 | Drive system for turbochargers with rotary electric machines | — | 1990-09-25 |
| 4958708 | Drive system for turbocharger with rotary electric machine | — | 1990-09-25 |
| 4955334 | Control apparatus for valve driven by electromagnetic force | — | 1990-09-11 |
| 4955199 | Drive system for turbochargers with rotary electric machines | — | 1990-09-11 |
| 4951769 | Motor vehicle driving system | — | 1990-08-28 |
| 4947808 | Igniting device for engine | — | 1990-08-14 |
| 4946097 | Control system for heating container for use on motor vehicle | — | 1990-08-07 |
| 4942851 | Electromagnetic valve control system | — | 1990-07-24 |
| 4938179 | Valve control system for internal combustion engine | — | 1990-07-03 |
| 4935656 | High speed motor/generator for turbocharger | — | 1990-06-19 |
| 4934837 | Bearing structure of rotary machine | — | 1990-06-19 |
| 4915615 | Device for controlling fuel combustion in a burner | Keiichi Yamashita | 1990-04-10 |
| 4911109 | Cooling system for heat insulating engine | Hiroshi Matsuoka | 1990-03-27 |
| 4909230 | Heat insulating combustion chamber and method of producing the same | — | 1990-03-20 |
| 4901530 | Device for controlling turbocharger with rotary electric machine | — | 1990-02-20 |
| 4896829 | Air circulation system for thermostatic chamber | — | 1990-01-30 |
| 4894991 | Control system for internal combustion engine with turbocharger | — | 1990-01-23 |
| 4892476 | Apparatus for controlling combustion in heater | — | 1990-01-09 |
| 4886978 | Exhaust energy recovery apparatus for engine | — | 1989-12-12 |