Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9228153 | Surface-treating agent for oil seal lip portion | — | 2016-01-05 |
| 7789396 | Oil seal and process for producing the same | Kazuki Takeno, Hideyuki Huruyama, Masayuki Tanida, Hiroki Matsui, Tatsuhiko Watanabe +4 more | 2010-09-07 |