Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7918463 | Reciprocating seal | Hidenori Arai, Kazuki Takeno, Ichiro Yamane, Katsumi Yamashina, Masaru Watanabe | 2011-04-05 |
| 7828300 | Sealing device for reciprocating shaft | — | 2010-11-09 |
| 7789396 | Oil seal and process for producing the same | Kazuki Takeno, Hideyuki Huruyama, Masayuki Tanida, Hiroki Matsui, Tatsuhiko Watanabe +4 more | 2010-09-07 |
| 7665740 | Sealing device for reciprocating shaft | Mitsugu Kobayashi | 2010-02-23 |
| 6279914 | Sealing apparatus | Satoshi Yamanaka, Yasuhiro Ikeda | 2001-08-28 |
| 6209879 | Sealing apparatus | Koichi Mizunoya, Ken Yoshikawa, Satoshi Yamanaka, Tatuhiko Watanabe, Yasuhiro Ikeda | 2001-04-03 |