Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7859140 | Permanent magnet member for coil motor and voice coil motor | Takeshi Sakamoto, Tomomi Yamamoto, Tatsuhiro Iwai | 2010-12-28 |
| 7794859 | Rare-earth magnet | Takeshi Sakamoto, Nobuya Uchida, Yoshitomo Tanaka | 2010-09-14 |
| 7619329 | Permanent magnet member for coil motor and voice coil motor | Takeshi Sakamoto, Tomomi Yamamoto, Tatsuhiro Iwai | 2009-11-17 |
| 7553561 | Rare earth magnet | Takeshi Sakamoto, Nobuya Uchida, Yoshitomo Tanaka | 2009-06-30 |
| 7473343 | Method of manufacturing rare-earth magnet, and plating bath | Takeshi Sakamoto, Tatsuhiro Iwai, Tomomi Yamamoto | 2009-01-06 |
| 7462403 | R-T-B system permanent magnet | Tetsuya Hidaka, Hironari Okada, Kazuya Sakamoto, Takeshi Sakamoto, Tomomi Yamamoto | 2008-12-09 |
| 6937920 | Metal sheet part bending order and bending die proposing device and proposing method | Hisashi Nishio | 2005-08-30 |
| 4841136 | Sighting apparatus with automatic correction mechanism | Tomoya Sada | 1989-06-20 |
| 4807966 | Sighting apparatus | Tomoya Sada | 1989-02-28 |