Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858646 | Hydraulic pressure control device for clutch for controlling drive torque distribution in four wheel drive device | Koujiro Kuramochi, Shinya Nakamura, Yasuo Houjo | 1989-08-22 |
| 4840263 | Hydraulic control device for 4WD torque distribution clutch providing stabilized pressure characteristics | Tokuyuki Takahashi, Hiroshi Itoh | 1989-06-20 |