Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38390 | Read/write head retract mechanism | Yasushi Onooka, Tetsu Yamamoto | 2004-01-20 |
| 6510026 | Exchangeable storage apparatus, recording medium drive actuator, head drive actuator, and recording medium cartridge | Akira Hashimoto, Takamitsu Sugahara, Hirohiko Sugiura, Yasutaka Mizutani | 2003-01-21 |
| 6362553 | Rotary motor and production method thereof, and laminated core production method thereof | Yuji Nakahara, Kenichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2002-03-26 |
| 6330125 | Exchangeable storage apparatus, recording medium drive actuator, head drive actuator and recording medium cartridge | Akira Hashimoto, Takamitsu Sugahara, Hirohiko Sugiura, Yasutaka Mizutani | 2001-12-11 |
| 6323571 | Rotary motor and production method thereof, and laminated core and production method thereof | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2001-11-27 |
| 6167610 | Method of making a rotary motor | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2001-01-02 |
| 6121711 | Rotary motor and production method thereof, and laminated core and production method thereof | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 2000-09-19 |
| 6091584 | Recording medium with a band attached to both sides of a shutter for opening/closing the shutter | Akira Hashimoto, Takamitsu Sugahara, Hirohiko Sugiura, Yasutaka Mizutani | 2000-07-18 |
| RE36672 | Read/write head retract mechanism | Yasushi Onooka, Tetsu Yamamoto | 2000-04-25 |
| 5959804 | Storage device and recording medium cartridge | Akira Hashimoto, Yasutaka Mizutani, Kazunobu Hamatsu, Hirohiko Sugiura, Takamitsu Sugahara +2 more | 1999-09-28 |
| 5956207 | Storage device and recording medium cartridge | Akira Hashimoto, Yasutaka Mizutani, Kazunobu Hamatsu, Hirohiko Sugiura, Takamitsu Sugahara +2 more | 1999-09-21 |
| 5859486 | Rotary motor and production method thereof, and laminated core and production method thereof | Yuji Nakahara, Ken-ichi Azuma, Masaru Matsumoto, Youichi Fujita, Satoru Akutsu +4 more | 1999-01-12 |
| 5299083 | Read/write head positioning mechanism for flexible disk drive device | — | 1994-03-29 |
| 5285338 | Loading/unloading mechanism for read and/or write head | Takamitsu Sugahara | 1994-02-08 |
| 5235481 | Magnetic disk drive having a cartridge with actuator and spindle | Masayoshi Kamo, Kenji Shoji | 1993-08-10 |
| 5189575 | Read/write head retract mechanism | Yasushi Onooka, Tetsu Yamamoto | 1993-02-23 |
| 4837650 | Head positioning device | — | 1989-06-06 |
| 4586097 | Diskette ejecting mechanism for magnetic disk unit | Kazuo Koike | 1986-04-29 |