Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938406 | Gasket | Tomohisa Matsumoto, Takashi Nakao, Shuji Yoshitsune | 2011-05-10 |
| 7918463 | Reciprocating seal | Hidenori Arai, Ichiro Yamane, Shinobu Munekata, Katsumi Yamashina, Masaru Watanabe | 2011-04-05 |