Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904010 | Method of writing servo tracks for disk file apparatus using write start or stop sectors | Tomoyoshi Yamada | 2005-06-07 |
| 6819519 | Head position control method for a disk device and the disk device | Kazuhiko Takaishi, Mitsuo Kamimura, Tomoyoshi Yamada | 2004-11-16 |
| 6477017 | Disk drive and head suspension unit | Toru Kohei | 2002-11-05 |
| 6081990 | Method for incorporating disk media into magnetic disk drive | Tomoyoshi Yamada, Toru Kohei, Shinji Koganezawa, Mitsuaki Yoshida, Hiroyuki Iwahara | 2000-07-04 |
| 6025973 | Construction for attaching a disk in a disk drive | Yoshifumi Mizoshita, Tomoyoshi Yamada, Toru Kouhei, Takao Sugawara, Masaru Matsumoto +4 more | 2000-02-15 |
| 6016237 | Shaft construction of a disk drive | Yoshifumi Mizoshita, Tomoyoshi Yamada, Toru Kouhei, Takao Sugawara, Masaru Matsumoto +4 more | 2000-01-18 |
| 5926347 | Magnetic disk drive provided with means for pressing head against disk | Tohru Kouhei, Tomoyoshi Yamada | 1999-07-20 |
| 5880904 | Disk drive having a thickness equal to an IC memory card | Yoshifumi Mizoshita, Tomoyoshi Yamada, Toru Kouhei, Takao Sugawara, Masaru Matsumoto +4 more | 1999-03-09 |
| 5764441 | Head actuator having reduced and controlled vibration characteristics for high speed disk drive systems | Keiji Aruga, Tomoyoshi Yamada | 1998-06-09 |
| 5608592 | Head actuator | Yoshifumi Mizoshita, Tomoyoshi Yamada, Toru Kouhei, Takao Sugawara, Masaru Matsumoto +4 more | 1997-03-04 |