Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8714561 | Oil seal | Satoshi Yamanaka, Takehiro Nakagawa, Masayuki Tanida, Hideharu Hyakutake, Hiroki Matsui +4 more | 2014-05-06 |
| 8413995 | Oil seal | Hiroki Matsui, Masayuki Tanida, Hirotaka Mizuta, Ken Yoshikawa, Yuki Sato | 2013-04-09 |
| 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 |
| 7645412 | Sealing device | — | 2010-01-12 |
| 6199869 | Sealing device | Kaoru Anzue, Kouichi Mizunoya, Satoshi Yamanaka | 2001-03-13 |
| 6102409 | Sealing device | Kaoru Anzue, Kouichi Mizunoya, Satoshi Yamanaka | 2000-08-15 |
| 6036193 | Oil seals and method of making thereof | Tsunehisa Onuma | 2000-03-14 |
| 5915696 | Oil seals and method of making thereof | Tsunehisa Onuma | 1999-06-29 |
| 5759466 | Method of making lip-type oil seals having improved sealing edge | Tsunehisa Onuma | 1998-06-02 |