Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334790 | Motor and aircraft | — | 2025-06-17 |
| 12308047 | Spindle motor with bearing part arrangement and disk driving device having same | Kazuhiro Sato, Shingo Suginobu, Masahiro IMAHORI, Tomoki Uchibori, Naoyuki Kimura | 2025-05-20 |
| 12088143 | Stator core and motor | — | 2024-09-10 |
| 11676638 | Spindle motor and disk drive device including the same | Kazuhiro Sato, Masahiro IMAHORI, Shingo Suginobu, Tomoki Uchibori | 2023-06-13 |
| 11146130 | Motor including a seal covering a high reflectivity metallic surface of a rotor hub | Yoichi Sekii, Takeyuki Shuto, Naohiro NAGASAWA | 2021-10-12 |
| 10476329 | Motor including a seal covering a high reflectivity metallic surface of a rotor hub | Yoichi Sekii, Takeyuki Shuto, Naohiro NAGASAWA | 2019-11-12 |
| 9879691 | Dynamic pressure bearing pump | Hideki Nishimura, Yoshito Nishitani, Michihiro Ito, Naohiro NAGASAWA | 2018-01-30 |
| 9613651 | Bearing apparatus, spindle motor, and disk drive apparatus | — | 2017-04-04 |
| 9422974 | Fluid bearing apparatus including dynamic pressure grooves with striations, spindle motor, and disk drive apparatus | Kazuyoshi Saito, Mitsuo Kodama, Yuichi Shigematsu | 2016-08-23 |
| 9368149 | Disk drive spindle motor with adhesive connection between shaft flange and bearing cup | — | 2016-06-14 |
| 8922943 | Fluid dynamic bearing apparatus, spindle motor, and disk drive apparatus | Hiroki Yamada, Tsuyoshi Morita, Tetsuya Maruyama, Takuro Iguchi | 2014-12-30 |
| 8842386 | Spindle motor and disk drive apparatus | Toshihiro Hirasawa | 2014-09-23 |
| 8823230 | Spindle motor with fluid dynamic bearing and storage disk drive | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Hideki Nishimura, Takehito Tamaoka +1 more | 2014-09-02 |
| 8810095 | Spindle motor with fluid dynamic bearing and storage disk drive | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Hideki Nishimura, Takehito Tamaoka +1 more | 2014-08-19 |
| 8810096 | Spindle motor with fluid dynamic bearing and storage disk drive | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Hideki Nishimura, Takehito Tamaoka +1 more | 2014-08-19 |
| 8743505 | Fluid dynamic bearing apparatus with specific minute gap structure with spindle motor and disk drive apparatus including same | Hiroki Yamada, Tsuyoshi Morita, Tetsuya Maruyama, Takuro Iguchi, Troy M. Herndon +1 more | 2014-06-03 |
| 8553355 | Spindle motor and storage disk drive | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Takehito Tamaoka, Takashi Yamamoto +4 more | 2013-10-08 |
| 8542459 | Spindle motor and storage disk drive | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Takehito Tamaoka, Takashi Yamamoto +5 more | 2013-09-24 |
| 8520335 | Spindle motor including hydrodynamic bearing and storage disk drive including same | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Takehito Tamaoka, Takashi Yamamoto +2 more | 2013-08-27 |
| 8508884 | Spindle motor including magnetic member and disk drive apparatus including same | Yoichi Sekii, Hirokazu Shirai, Kazuyoshi Saito, Hideki Nishimura, Atsushi Yawata | 2013-08-13 |
| 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, Tsuyoshi Morita, Tetsuya Maruyama, Takuro Iguchi, Troy M. Herndon +2 more | 2013-06-25 |
| 8385017 | Spindle motor including fluid bearing and storage disk drive including the same | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Takehito Tamaoka, Takashi Yamamoto +3 more | 2013-02-26 |
| 8379345 | Spindle motor having dynamic pressure fluid bearing for use in a storage disk drive | Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Hideki Nishimura, Takehito Tamaoka +1 more | 2013-02-19 |
| 8358483 | Spindle motor including annular magnetic member and disk drive apparatus including such a spindle motor | Yoichi Sekii, Hirokazu Shirai, Kazuyoshi Saito, Hideki Nishimura, Atsushi Yawata | 2013-01-22 |
| 8337086 | Bearing apparatus, spindle motor, and disk drive apparatus | Takayuki Oe, Teiichi Hirono, Kunio Sakurada | 2012-12-25 |