Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390230 | Electric power steering apparatus | Yasuo Shimizu, Yasuharu Ohyama, Shigeru Yamawaki, Atsuhiko Yoneda, Yasuhiro Terada | 2002-05-21 |
| 6041885 | Electric power steering apparatus | Yasuo Shimizu | 2000-03-28 |
| 5924519 | Electric power steering device and method of assembling the same | Yasuo Shimizu | 1999-07-20 |
| 5899294 | Electric power steering device | Yasuo Shimizu | 1999-05-04 |
| 5836419 | Rack and pinion electric power steering system with unitized construction for removable mounting | Yasuo Shimizu | 1998-11-17 |
| 5743350 | Electric power steering apparatus | Shigeru Yamawaki, Yasuo Shimizu | 1998-04-28 |
| 5719256 | Process for preparing polycondensation polymer compound | Shoji Tamai, Yukiko Mori, Kenichi Goto, Osamu Kohgo, Kotaro Shimizu +5 more | 1998-02-17 |
| 5616783 | Purification process of polyhydroxycarboxylic acid | Yasunori Yoshida, Shoji Obuchi, Masahiro Ohta | 1997-04-01 |
| 5616806 | Process for preparing high-purity aniline | Teruyuki Nagata, Yoshitsugu Kono, Akihiro Tamaki, Takashi Kobayashi | 1997-04-01 |
| 5283365 | Process for preparing high-purity aniline | Teruyuki Nagata, Yoshitsugu Kono, Akihiro Tamaki, Takashi Kobayashi | 1994-02-01 |
| 5015009 | Active suspension system and method for controlling same | Yasuharu Ohyama, Masaki Izawa, Tetsuro Hamada | 1991-05-14 |
| 4751226 | Pyrazoloisoquinoline derivatives, plant growth regulating compositions, and method of use therefor | Yasuo Kamuro, Eiji Taniguchi | 1988-06-14 |