Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12249876 | Motor | Yasuhiro Utsunomiya | 2025-03-11 |
| 11460691 | Motor, mirror rotary device, and disk drive device | — | 2022-10-04 |
| 10622015 | Motor having a hollow shaft with a recess in an inner peripheral surface of the hollow shaft, and a sealing member closing an opening of the hollow shaft and partially fitted in the recess | — | 2020-04-14 |
| 9739312 | Bearing mechanism, spindle motor including the bearing mechanism and electronic equipment including the spindle motor | Hirotoshi Uchibori, Toshihiro Akiyama | 2017-08-22 |
| 9613650 | Spindle motor, disk drive apparatus, and method of manufacturing base unit of spindle motor | Shigeki Horiki, Ryohei Matsumoto | 2017-04-04 |
| 9520754 | Motor and disk drive apparatus | Takuro MATSUMOTO | 2016-12-13 |
| 9165594 | Spindle motor and disk drive apparatus | Hirotoshi Uchibori, Toshihiro Akiyama | 2015-10-20 |
| 9166452 | Spindle motor, disk drive apparatus, and electronic device | Takashi Endo | 2015-10-20 |
| 9001461 | Spindle motor and disk drive apparatus | — | 2015-04-07 |
| 8922945 | Disk drive spindle motor with wiring substrate having extension portion passing through opening in base | Shintaro SAEKI, Yoichi Sekii, Takehito Tamaoka, Hiroyuki Abe | 2014-12-30 |
| 8824096 | Motor including rotor hub with recessed portion and disk drive apparatus including the same | Toshihiro Akiyama | 2014-09-02 |
| 8755145 | Base unit, motor and disk drive apparatus | Takuro MATSUMOTO, Toshihiro Akiyama | 2014-06-17 |
| 8711515 | Stopper, motor, and disk drive apparatus | Shintaro SAEKI | 2014-04-29 |
| 8665557 | Spindle motor and disk drive apparatus | Takuro MATSUMOTO, Toshihiro Akiyama | 2014-03-04 |
| 8643978 | Spindle motor and disk drive apparatus | Takuro MATSUMOTO, Toshihiro Akiyama | 2014-02-04 |
| 8593759 | Spindle motor and disk drive apparatus | Takuro MATSUMOTO, Toshihiro Akiyama | 2013-11-26 |
| 8508884 | Spindle motor including magnetic member and disk drive apparatus including same | Yoichi Sekii, Hirokazu Shirai, Junya Mizukami, Kazuyoshi Saito, Hideki Nishimura | 2013-08-13 |
| 8446059 | Spindle motor and storage disk drive apparatus | Yasuhiro Suzuki, Shintaro SAEKI, Takehito Tamaoka | 2013-05-21 |
| 8363353 | Spindle motor, disk drive apparatus, and method of manufacturing spindle motor | — | 2013-01-29 |
| 8358483 | Spindle motor including annular magnetic member and disk drive apparatus including such a spindle motor | Yoichi Sekii, Hirokazu Shirai, Junya Mizukami, Kazuyoshi Saito, Hideki Nishimura | 2013-01-22 |
| 8324771 | Spindle motor and storage disk drive apparatus | Yasuhiro Suzuki, Shintaro SAEKI, Takehito Tamaoka | 2012-12-04 |
| 8304945 | Spindle motor and storage disk drive apparatus | Yasuhiro Suzuki, Shintaro SAEKI | 2012-11-06 |
| 8299668 | Spindle motor and storage disk drive apparatus | Yasuhiro Suzuki, Shintaro SAEKI | 2012-10-30 |
| 8169738 | Fluid dynamic bearing mechanism including communicating channel, spindle motor, and disk drive apparatus | Yoichi Sekii, Junya Mizukami, Tetsuya Maruyama, Hirofumi KOJIMA | 2012-05-01 |
| 8120872 | Spindle motor and disk drive apparatus | Yoichi Sekii | 2012-02-21 |