Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438084 | Data recording apparatus and method, data playback apparatus and method, and optical disc | Yukio Shishido, Yoichiro Sako, Tatsuya Inokuchi | 2002-08-20 |
| 6353585 | Apparatus and method of forming evaluation signal used in adjusting focus bias and adjusting skew of disk drive | Mamoru Akita, Shunji Yoshimura | 2002-03-05 |
| 6339580 | Apparatus and method of forming evaluation signal used in adjusting focus bias and adjusting skew of disk drive | Mamoru Akita, Shunji Yoshimura | 2002-01-15 |