Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7264871 | Health promoting appliance | Yukihiro Nakayama, Zenzo Ishijima, Takashi Matsumura | 2007-09-04 |
| 6851859 | Bearing unit, production method therefor and spindle motor | Hidekazu Tokushima, Hideo Shikata, Katsutoshi Nii, Jun Hirose | 2005-02-08 |
| 6822358 | Spindle motor and manufacture thereof | Tsutomu Nozaki, Tadayoshi Yano, Hidekazu Tokushima, Yuji Yoshitomi | 2004-11-23 |
| 6756715 | Spindle motor | Jun Hirose, Katsutoshi Nii, Tadayoshi Yano, Hidekazu Tokushima | 2004-06-29 |
| 6574186 | Assembly method of motor using magnetic lubrication fluid | Katsutoshi Nii, Motohiro Miyasaka | 2003-06-03 |
| 6361737 | Method for producing a sintered porous bearing and the sintered porous bearing | Motohiro Miyasaka | 2002-03-26 |
| 6049983 | Method for producing a sintered porous bearing and the sintered porous bearing | Motohiro Miyasaka | 2000-04-18 |