Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7581618 | Transmission ratio variable steering device | Yoshiharu Inaguma | 2009-09-01 |
| 7303045 | Motor vehicle steering device | Motoyasu Yamamori, Osamu Watanabe, Yoshiharu Inaguma | 2007-12-04 |
| 6973990 | Electronic control power steering device | Yoshiharu Inaguma, Tsune Kobayashi, Nobuyuki Kawabata, Fumio Ukai | 2005-12-13 |
| 6938724 | Motor vehicle steering device | Motoyasu Yamamori, Osamu Watanabe, Yoshiharu Inaguma | 2005-09-06 |
| 6889795 | Electric power steering device | Hirotaka Shibata, Mikio Suzuki, Osamu Watanabe, Masanari Torii | 2005-05-10 |
| 6497565 | Pump apparatus having drive force input portion aligned with pump shaft bearing member | Yoshiharu Inaguma | 2002-12-24 |
| 6491130 | Electric power steering apparatus | Yoshiharu Inaguma, Osamu Watanabe, Yoshinori Suzuki | 2002-12-10 |
| 6299418 | Oil pump apparatus | Hidetoshi Fujiwara, Motoyasu Yamamori | 2001-10-09 |
| 6041807 | Flow control device of power steering apparatus | Hidetoshi Fujiwara, Yoshiharu Inaguma, Hideya Kato, Kazuhiro Watanabe, Takashi Imanishi | 2000-03-28 |
| 5934074 | Hydraulic power steering apparatus | Osamu Watanabe, Yuji Yoshizawa, Isao Hasegawa | 1999-08-10 |
| 4917139 | Flow control apparatus for a power steering device | Tadataka Narumi, Ryutaro Abe, Yoshiyuki Toyama | 1990-04-17 |
| 4805714 | Power steering system with hydraulic reaction | Keiichi Nakamura, Mikio Suzuki, Hiroshi Kawakami | 1989-02-21 |
| 4739693 | Hydraulic reaction mechanism for power steering system | Toshihiro Gotou | 1988-04-26 |
| 4676334 | Power steering system with hydraulic reaction | Keiichi Nakamura, Mikio Suzuki, Yoshiyuki Takeuchi | 1987-06-30 |
| 4632204 | Power assisted steering system | Mikio Suzuki, Yoshiharu Inaguma, Hiroki Sato, Kenichi Kikuchi, Masato Tanabe | 1986-12-30 |
| 4605085 | Power steering | Mikio Suzuki | 1986-08-12 |
| 4593783 | Power steering system | Mikio Suzuki, Yoshiharu Inaguma | 1986-06-10 |
| 4505655 | Vane pump with positioning pins for cam ring and side plates | Satoshi Sutoh | 1985-03-19 |
| 4380472 | Method for producing pressure plates used in hydraulic pumps | Minoru Kawabata, Kenji Takahashi | 1983-04-19 |
| 4361166 | Flow controlling apparatus for power steering, operating fluid | Akihiko Sato | 1982-11-30 |
| 4347048 | Hydraulic pump for power steering | Minoru Kawabata, Yoshiharu Inaguma | 1982-08-31 |