Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831809 | Rotary recording apparatus and method of controlling the apparatus | Kenji Okada, Tetsuo Semba, Akira Tokizono, Hiroshi Uchida, Akinori Yuba | 2004-12-14 |
| 6754019 | System and method for implementing a rotary memory device | Akira Tokizono, Hiroshi Uchida, Takashi Kuroda | 2004-06-22 |
| 6707634 | Control method and apparatus for reducing the effects of hard disk contamination | Masayuki Kanamaru, Shunichiroh Ohta, Akira Tokizono, Toshihiko Tsunokawa | 2004-03-16 |
| 6690537 | Method and system for controlling the positioning of a read/write head of a data recording device | Akira Tokizono, Hiroshi Uchida | 2004-02-10 |
| 6678109 | Disk drive, servo control unit, and control unit | Masayuki Murakami, Yuzo Nakagawa, Tatsuya Sakai | 2004-01-13 |