Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970320 | Servo pattern recording method | Kei Yasuna, Takashi Yamaguchi | 2005-11-29 |
| 6906884 | Magnetic disk apparatus and its servo signal recording method | Kei Yasuna, Takashi Yamaguchi | 2005-06-14 |