Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12023430 | Virus-collecting filter for medical aspirator system | Yuichi Sakon, Yoshiharu Yabuki, Masakazu Masuda | 2024-07-02 |
| 8032903 | Motor with a chucking device for detachably holding a disk and disk drive apparatus equipped with the same | Hitoshi Takaki, Yusuke Iwai, Tatsuya Tatara | 2011-10-04 |
| 8032902 | Motor with a chucking device for detachably holding a disk and disk drive apparatus equipped with the same | Hitoshi Takaki, Yusuke Iwai, Tetsuya Tatara | 2011-10-04 |
| 7992160 | Motor with a chucking device for detachably holding a disk having a central opening portion and disk drive apparatus equipped with the same | Hitoshi Takaki, Yusuke Iwai, Tatsuya Tatara | 2011-08-02 |
| 7962928 | Brushless motor, and disk drive equipped with the same | Yusuke Iwai, Tomoya Uchimura, Ken Horishi | 2011-06-14 |
| 7937722 | Chucking mechanism, brushless motor having the chucking mechanism, and disk driving apparatus having the brushless motor | Hitoshi Takaki, Yusuke Iwai, Tomoya Uchimura | 2011-05-03 |
| 7921438 | Chucking mechanism, brushless motor having the chucking mechanism, and disk driving apparatus having the brushless motor | Hitoshi Takaki, Yusuke Iwai, Tomoya Uchimura | 2011-04-05 |
| 7908614 | Chucking mechanism, brushless motor having the chucking mechanism, and disk driving apparatus having the brushless motor | Hitoshi Takaki, Yusuke Iwai, Tomoya Uchimura | 2011-03-15 |
| 7900223 | Motor with a chucking device for detachably holding a disk and disk drive apparatus equipped with the same | Hitoshi Takaki, Yusuke Iwai, Tatsuya Tatara | 2011-03-01 |
| 7890970 | Brushless motor, and disk drive equipped with the same | Yusuke Iwai, Tomoya Uchimura, Ken Horishi | 2011-02-15 |
| 7890969 | Chucking mechanism, brushless motor having the chucking mechanism, and disk driving apparatus having the brushless motor | Hitoshi Takaki, Yusuke Iwai, Tomoya Uchimura | 2011-02-15 |
| 7856642 | Chucking mechanism, brushless motor having the chucking mechanism, and disk driving apparatus having the brushless motor | Hitoshi Takaki, Yusuke Iwai, Tomoya Uchimura | 2010-12-21 |
| 7849474 | Motor having chucking device and disk driving apparatus including the same | Hitoshi Takaki, Tomoya Uchimura, Yusuke Iwai, Yoko Fukumoto | 2010-12-07 |
| 7364414 | Fluid pump system | Shinya Yamamoto, Nobuaki Hoshino, Ryosuke Koshizaka, Mamoru Kuwahara | 2008-04-29 |
| 7255541 | Fluid pump | Masahiro Kawaguchi, Shinya Yamamoto, Nobuaki Hoshino, Mamoru Kuwahara | 2007-08-14 |
| 7140846 | Vacuum pump having main and sub pumps | Shinya Yamamoto, Osamu Uchiyama, Daisuke Sato, Mika Fujiwara, Masahiro Kawaguchi +3 more | 2006-11-28 |
| 6971859 | Diaphragm unit | Shinya Yamamoto, Mamoru Kuwahara | 2005-12-06 |
| 6874989 | Vacuum pump | Masahiro Kawaguchi, Shinya Yamamoto, Daisuke Sato, Osamu Uchiyama | 2005-04-05 |
| 6659227 | Oil leak prevention structure for vacuum pump | Shinya Yamamoto, Masahiro Kawaguchi | 2003-12-09 |
| 6231315 | Compressor having a value plate and a gasket | Hayato Ikeda, Noriyuki Shintoku, Masaaki Nishimoto, Yasuo Takahara | 2001-05-15 |
| 6174147 | Refrigerant compressor with an improved discharge valve assembly | Tomoji Tarutani, Norikazu Deto, Kuniyoshi Shirai | 2001-01-16 |
| 6158974 | Reciprocating compressor | Tomoji Tarutani, Hirofumi Sato, Yasunori Ueda | 2000-12-12 |
| 5947698 | Piston type compressor | Hayato Ikeda, Tetsuya Yamaguchi, Masanobu Yokoi | 1999-09-07 |
| 4869089 | Coil box apparatus | — | 1989-09-26 |
| 4864203 | Diagnostic apparatus | — | 1989-09-05 |