Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8675304 | Disk drive spindle motor with hole volume and component density relationship | Takehito Tamaoka, Mitsuhiro TAKEMOTO | 2014-03-18 |
| 8567067 | Method of manufacturing fluid dynamic bearing mechanism, motor, and storage disk drive | Katsuki Yamaguchi, Shigeki Horiki, Yoshitsugu Hideshima, Akio Tatsumi, Akinobu Sumiji +2 more | 2013-10-29 |
| 8553355 | Spindle motor and storage disk drive | Junya Mizukami, Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Takehito Tamaoka +4 more | 2013-10-08 |
| 8542459 | Spindle motor and storage disk drive | Junya Mizukami, Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Takehito Tamaoka +5 more | 2013-09-24 |
| 8416524 | Spindle motor having connecting mechanism connecting lead wire and circuit board, and storage disk drive having the same | Masayoshi Saichi, Kazuhiko Fukushima, Hironori Ando, Katsuya Takahashi, Takehito Tamaoka +2 more | 2013-04-09 |
| 8385017 | Spindle motor including fluid bearing and storage disk drive including the same | Junya Mizukami, Takayuki Oe, Yoichi Sekii, Naoki Sabashi, Takehito Tamaoka +3 more | 2013-02-26 |
| 7550883 | Rotor hub, spindle motor, and recording disk driving apparatus | Takehito Tamaoka | 2009-06-23 |
| 6837622 | Dynamic pressure bearing apparatus | Masato Gomyo, Shingo Suginobu | 2005-01-04 |
| 6793394 | Hydrodynamic bearing device | Masato Gomyo | 2004-09-21 |
| 6698097 | Method for manufacturing a tool that is used to form dynamic pressure generating grooves in dynamic pressure bearing devices | Masato Gomyo | 2004-03-02 |
| 6663287 | Thrust dynamic pressure bearing apparatus and method for manufacturing the same | Masato Gomyo, Masayoshi Saichi, Takayuki Narita, Masaaki Sato | 2003-12-16 |
| 6378209 | Method of producing fluid bearing device | Masato Gomyo, Ryuhei Matsuda, Tokio Tago, Takehiko Yazawa | 2002-04-30 |
| 6375357 | Spindle motor | Masato Gomyo, Takayuki Narita, Tokio Tago, Takehiko Yazawa | 2002-04-23 |
| 6343877 | Spindle motor | Masato Gomyo, Takayuki Narita, Tokio Tago, Takehiko Yazawa | 2002-02-05 |
| 6341896 | Hydrodynamic bearing and method of manufacturing the same | Masato Gomyo, Takayuki Narita, Tokio Tago, Takehiko Yazawa | 2002-01-29 |
| 6296391 | Hydrodynamic bearing apparatus | Masamichi Hayakawa, Masato Gomyo, Hideki Kanebako | 2001-10-02 |
| 6147424 | Gas dynamic pressure bearing apparatus | Masato Gomyo, Hideki Kanebako, Masamichi Hayakawa | 2000-11-14 |