Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408707 | Bevel gear mechanism and electric power steering system using it | Yukihide Kimura, Hideo Osanai, Kei Takakuwa, Yoshikazu Kameda, Norihiro Yoshida +3 more | 2002-06-25 |
| 6339967 | Vibration dampening hypoid gear structure | Hiroaki Tanaka, Osamu Ogawa, Yoshimi Kajitani, Kei Takakuwa, Toshiki Ohshima +2 more | 2002-01-22 |
| 6170349 | Vibration dampening hypoid gear structure | Hiroaki Tanaka, Osamu Ogawa, Yoshimi Kajitani, Kei Takakuwa, Toshiki Ohshima +2 more | 2001-01-09 |