Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848544 | Control system for a clutch for a vehicle | Hiroya Ohkumo | 1989-07-18 |
| 4848528 | Control system for an electromagnetic clutch for a vehicle | Hiroya Ohkumo | 1989-07-18 |
| 4836322 | Power transmission system for a four-wheel drive vehicle | — | 1989-06-06 |
| 4834226 | Control system for an electromagnetic clutch for a vehicle | Hiroya Ohkumo | 1989-05-30 |
| 4831896 | Line pressure control system for an automatic transmission | — | 1989-05-23 |
| 4830155 | Control system for a clutch for a vehicle | Hiroya Ohkumo | 1989-05-16 |
| 4829852 | Control system for an automatic transmission | — | 1989-05-16 |
| 4823925 | Control system for a clutch for a vehicle | Hiroya Ohkumo | 1989-04-25 |
| 4805751 | System for controlling a clutch for a motor vehicle | Hiroya Ohkumo | 1989-02-21 |
| 4804059 | System for controlling a transfer clutch of a four-wheel drive vehicle | — | 1989-02-14 |