Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174825 | Hydraulic power steering apparatus | Akihiko Shiina, Yasuhiro Kamatani, Toshiaki Oya, Ryouichi Tokioka, Kazuhiro Watanabe +5 more | 2007-02-13 |
| 7143683 | Hydraulic power steering apparatus | Katsuyuki Ooguchi, Takashi Oohata | 2006-12-05 |
| 5205372 | Hydraulic power steering device | Tatsuro Motoyama | 1993-04-27 |
| 4967858 | Power steering apparatus with unitary torque sensor and worm driving housing | Hajime Kozuka, Mitsuharu Morishita, Tadayuki Hara | 1990-11-06 |