Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7140846 | Vacuum pump having main and sub pumps | Shinya Yamamoto, Satoru Kuramoto, Daisuke Sato, Mika Fujiwara, Masahiro Kawaguchi +3 more | 2006-11-28 |
| 6874989 | Vacuum pump | Satoru Kuramoto, Masahiro Kawaguchi, Shinya Yamamoto, Daisuke Sato | 2005-04-05 |
| 6744153 | Apparatus for and method of generating a pulse signal | Tomoaki Ito, Masami Tanaka, Tadashi Kubota, Yasuhiro Masuzaki | 2004-06-01 |
| 6688864 | Oil leak prevention structure of vacuum pump | Shinya Yamamoto, Masahiro Kawaguchi | 2004-02-10 |
| 6384595 | Method of and apparatus for generating a pulse signal | Tomoaki Ito, Masami Tanaka, Tadashi Kubota, Yasuhiro Masuzaki | 2002-05-07 |
| 5207607 | Plasma display panel and a process for producing the same | Shinichirou Nagano, Takashi Yamanaka | 1993-05-04 |
| 4789912 | Magnetic recording and reproducing apparatus of rotary head type | Kenmei Masuda, Toshimichi Terada, Kenji Ogiro, Shozo Yokoo | 1988-12-06 |