Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8714561 | Oil seal | Satoshi Yamanaka, Takehiro Nakagawa, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui +4 more | 2014-05-06 |
| 8220803 | Oil seal | Satoshi Yamanaka, Takehiro Nakagawa, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui +4 more | 2012-07-17 |
| 8136818 | Oil seal | Satoshi Yamanaka, Takehiro Nakagawa, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui +4 more | 2012-03-20 |