Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7233453 | Servo track writing device and method thereof | Tohru Harada, Taizan Kobayashi, Toshinori Kasuga, Yukio Ozaki, Eiji Takada +1 more | 2007-06-19 |
| 6760180 | Servo track writer and driving method therefor | Seiji Kino, Yukio Ozaki | 2004-07-06 |
| 6452739 | Precise positioning device and method for servo track writing | Yoshinori Hino | 2002-09-17 |