Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5056640 | Torque transmission device for a four-wheel drive vehicle | Masaji Yamamoto, Toshifumi Sakai, Nobunao Morishita | 1991-10-15 |
| 5007885 | Driving torque transmitting device | Masaji Yamamoto, Toshifumi Sakai | 1991-04-16 |
| 4905808 | Torque transmission device for a four-wheel drive vehicle | Tamaki Tomita, Hiroaki Asano, Keiichi Nakamura, Masaji Yamamoto, Toshifumi Sakai +2 more | 1990-03-06 |
| 4893239 | Device for detecting driving condition for automobile | Kunihiko Eto, Yutaka Mori, Kazumasa Kodama | 1990-01-09 |
| 4858134 | Device for controlling steering force in power steering apparatus | Kunihiko Eto, Shiro Takeuchi, Yutaka Mori, Kazumasa Kodama, Tsutomu Matsumoto | 1989-08-15 |
| 4817751 | A driving force distribution transmission for vehicles with four-wheel drive | Hiroaki Asano, Keiichi Nakamura, Masaji Yamamoto, Toshifumi Sakai | 1989-04-04 |
| 4747055 | Driving status discrimination device for a motor vehicle | Kunihiko Eto, Yutaka Mori, Akihiro Ohno | 1988-05-24 |
| 4691796 | Control apparatus for power-assisted steering system | Yutaka Mori, Akihiro Oono, Akira Hasegawa | 1987-09-08 |
| 4643227 | Linear solenoid-operated valve for use in power steering system | Mikio Suzuki | 1987-02-17 |