Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7859140 | Permanent magnet member for coil motor and voice coil motor | Takeshi Sakamoto, Tomomi Yamamoto, Yasuyuki Nakayama | 2010-12-28 |
| 7619329 | Permanent magnet member for coil motor and voice coil motor | Takeshi Sakamoto, Tomomi Yamamoto, Yasuyuki Nakayama | 2009-11-17 |
| 7473343 | Method of manufacturing rare-earth magnet, and plating bath | Takeshi Sakamoto, Yasuyuki Nakayama, Tomomi Yamamoto | 2009-01-06 |