Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994483 | Gas electron multiplier and manufacturing method for gas electron multiplication foil used for same as well as radiation detector using gas electron multiplier | Satoshi Koshimuta, Hideki Hamagaki | 2011-08-09 |
| 7481616 | Centrifugal fan, cooling mechanism, and apparatus furnished with the cooling mechanism | Yusuke Yoshida | 2009-01-27 |
| 7364411 | Fan impeller and fan motor | Yusuke Yoshida | 2008-04-29 |
| 7264446 | Centrifugal-fan impeller, and method of its manufacture | Yusuke Yoshida, Tomotsugu Sugiyama, Kazumi Takeshita | 2007-09-04 |
| 7217087 | Centrifugal fan | Yusuke Yoshida, Tomotsugu Sugiyama, Kazumi Takeshita, Masayuki Aoki | 2007-05-15 |
| 4307428 | Circuit breaker apparatus for high voltage direct currents | Satoru Yanabu, Susumu Nishiwaki | 1981-12-22 |