Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706091 | Magnetic disk devices with data recording areas set separately for each device | Takao Furuhashi, Yoshimichi Sakai | 2010-04-27 |
| 7317587 | Magnetic disk devices with data recording areas set separately for each device | Takao Furuhashi, Yoshimichi Sakai | 2008-01-08 |
| 6172838 | Disk unit creating a position sensitivity correction value using positive and negative cross points values of two-phase servo signals | — | 2001-01-09 |
| 6137646 | Disk apparatus using coincidence detection to generate variable sector pulses | Eiji Okamura, Tatsuya Gofuku, Chihiro Ono, Atsushi Satoh, Eisaku Takahashi +2 more | 2000-10-24 |
| 6067200 | Method and apparatus for adjusting a bias current of a magneto-resistive effect type magnetic head and magnetic recording apparatus | Kensuke Miyagawa, Hajime Miura, Hideki Ohmori | 2000-05-23 |
| 5798885 | Head positioning control for disk apparatus using peak detection, polarity detection and sector mark detection | Masaru Saiki, Tsutomu Sasaki, Hirokazu Ishizaki, Eiji Okamura, Tatsuya Gofuku +10 more | 1998-08-25 |