Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8687316 | Spindle motor and disk drive apparatus | Tsuchitsugu Watanabe, Tomohiro Yokosawa, Takashi Shimizu, Sho Fukuhara | 2014-04-01 |
| 8675305 | Base unit, spindle motor, and disk drive apparatus | Tsuchitsugu Watanabe, Tomohiro Yokosawa, Takashi Shimizu, Sho Fukuhara | 2014-03-18 |
| 7908737 | Production method of fluid dynamic-pressure bearing in spindle motor | Hosei Kudou, Takashi Nishina, Masaaki Inagi | 2011-03-22 |
| 6647218 | Image forming apparatus that discriminates an abnormality in a fixing unit | — | 2003-11-11 |