Issued Patents 1989
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880094 | Control system for a clutch for a vehicle | — | 1989-11-14 |
| 4848544 | Control system for a clutch for a vehicle | Ryuzo Sakakiyama | 1989-07-18 |
| 4848528 | Control system for an electromagnetic clutch for a vehicle | Ryuzo Sakakiyama | 1989-07-18 |
| 4846321 | Control system for a clutch for a vehicle | — | 1989-07-11 |
| 4846127 | Fuel supply control system for an automotive engine | Syuuji Miyama | 1989-07-11 |
| 4834226 | Control system for an electromagnetic clutch for a vehicle | Ryuzo Sakakiyama | 1989-05-30 |
| 4830155 | Control system for a clutch for a vehicle | Ryuzo Sakakiyama | 1989-05-16 |
| 4825991 | Control system for a clutch for a vehicle | — | 1989-05-02 |
| 4823925 | Control system for a clutch for a vehicle | Ryuzo Sakakiyama | 1989-04-25 |
| 4823644 | Fail safe for a continuously variable transmission | — | 1989-04-25 |
| 4823555 | System for controlling a compressor of an air conditioner for motor vehicles | — | 1989-04-25 |
| 4805751 | System for controlling a clutch for a motor vehicle | Ryuzo Sakakiyama | 1989-02-21 |
| 4803967 | System for controlling ignition timing of an internal combustion engine | — | 1989-02-14 |
| 4803900 | Transmission ratio control system for a continuously variable transmission | — | 1989-02-14 |