Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866935 | Hydraulic torque converter | Masahiro Hayabuchi, Kazumasa Tsukamoto, Tokuyuki Takahashi, Seitoku Kubo | 1989-09-19 |
| 4858646 | Hydraulic pressure control device for clutch for controlling drive torque distribution in four wheel drive device | Nobuyuki Kato, Shinya Nakamura, Yasuo Houjo | 1989-08-22 |
| 4839041 | Magnetic oil strainer | Yoshinari Kuwayama, Fumitomo Yokoyama, Tatsuo Kyushima | 1989-06-13 |
| 4836050 | Transverse type automatic transmission with two separate lay shaft elements | Akio Numazawa, Seitoku Kubo | 1989-06-06 |
| 4817472 | Transmission control system with protection against excessively high speed downshifting | Seitoku Kubo, Tatsuo Kyushima | 1989-04-04 |