Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12135466 | Actuator | — | 2024-11-05 |
| 11789230 | Optical element and optical scanning device | — | 2023-10-17 |
| 11662573 | Actuator and optical scanning device | — | 2023-05-30 |
| 11586037 | Optical element and optical scanning device | — | 2023-02-21 |
| 10591716 | Rotary drive apparatus | Yoichi Sekii, Yuichi Shigematsu | 2020-03-17 |
| 10468954 | Spindle motor with particular rotor magnet and stator teeth dimensions and disk drive device including the same | Kazuya Matsumura, Yoichi Sekii | 2019-11-05 |
| 8922943 | Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatus | Hiroki Yamada, Junya Mizukami, Tsuyoshi Morita, Tetsuya Maruyama | 2014-12-30 |
| 8873197 | Motor and disk drive apparatus | Shuji Iwasaki, Yoichi Sekii, Takehito Tamaoka, Hideki Nishimura, Kazuto Miyajima +2 more | 2014-10-28 |
| 8873198 | Motor and disk drive apparatus | Shuji Iwasaki, Yoichi Sekii, Takehito Tamaoka, Hideki Nishimura, Kazuto Miyajima +2 more | 2014-10-28 |
| 8824097 | Motor and disk drive apparatus | Shuji Iwasaki, Yoichi Sekii, Takehito Tamaoka, Hideki Nishimura, Kazuto Miyajima +2 more | 2014-09-02 |
| 8760799 | Rotor hub, motor, and disk driving device | Yoshihiro Sameshima, Takehito Tamaoka, Ryouji Sugiura | 2014-06-24 |
| 8743505 | Fluid dynamic bearing apparatus with specific minute gap structure with spindle motor and disk drive apparatus including same | Hiroki Yamada, Junya Mizukami, Tsuyoshi Morita, Tetsuya Maruyama, Troy M. Herndon +1 more | 2014-06-03 |
| 8724256 | Bearing apparatus, spindle motor, and disk drive apparatus | Yoichi Sekii, Hiroshi Konno, Chiharu Fujii, Shuji Iwasaki | 2014-05-13 |
| 8711514 | Motor and disk drive apparatus | Shuji Iwasaki, Yoichi Sekii, Takehito Tamaoka, Hideki Nishimura, Kazuto Miyajima +2 more | 2014-04-29 |
| 8514515 | Motor and disk drive apparatus | Shuji Iwasaki, Yoichi Sekii, Takehito Tamaoka, Hideki Nishimura, Kazuto Miyajima +2 more | 2013-08-20 |
| 8472132 | Fluid dynamic bearing apparatus arranged to discharge air bubbles generated therein and a spindle motor and a disk drive apparatus including the same | Hiroki Yamada, Junya Mizukami, Tsuyoshi Morita, Tetsuya Maruyama, Troy M. Herndon +2 more | 2013-06-25 |
| 8284515 | Fluid dynamic pressure bearing device, spindle motor and disk drive apparatus | Yoichi Sekii, Hironao SASAKI, Hironori Ando, Toshihiro Akiyama, Takunori Shinao +3 more | 2012-10-09 |
| 8284513 | Fluid dynamic pressure bearing device, spindle motor and disk drive apparatus | Yoichi Sekii, Hironao SASAKI, Hironori Ando, Toshihiro Akiyama, Takunori Shinao +1 more | 2012-10-09 |
| 8223455 | Rotor hub, motor, and disk driving device | Yoshihiro Sameshima, Takehito Tamaoka, Ryouji Sugiura | 2012-07-17 |
| 8191232 | Method of manufacturing spindle motor | Tsuyoshi Morita, Toshihiro Akiyama | 2012-06-05 |
| 8143751 | Motor and recording disk drive apparatus | Hironori Ando, Toshihiro Akiyama, Takunori Shinao | 2012-03-27 |
| 8120873 | Spindle motor and disk drive apparatus provided with the spindle motor | Tomoki Uchibori, Taishi Sakaguchi, Yujiro Kato, Tadashi Hasegawa, Taku Nakajima | 2012-02-21 |
| 7443068 | Spindle motor | — | 2008-10-28 |
| 7310002 | Motor inspection method | — | 2007-12-18 |