Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7458790 | Vacuum pump with improved oil lubrication | Shinya Yamamoto, Yuya Izawa, Masahiro Inagaki, Kentaro Ishihara | 2008-12-02 |
| 7364414 | Fluid pump system | Satoru Kuramoto, Shinya Yamamoto, Nobuaki Hoshino, Mamoru Kuwahara | 2008-04-29 |
| 7140846 | Vacuum pump having main and sub pumps | Shinya Yamamoto, Satoru Kuramoto, Osamu Uchiyama, Daisuke Sato, Mika Fujiwara +3 more | 2006-11-28 |
| 6663367 | Shaft seal structure of vacuum pumps | Shinya Yamamoto, Masahiro Kawaguchi | 2003-12-16 |