Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970320 | Servo pattern recording method | Kenichiro Sugiyama, Takashi Yamaguchi | 2005-11-29 |
| 6906884 | Magnetic disk apparatus and its servo signal recording method | Takashi Yamaguchi, Kenichiro Sugiyama | 2005-06-14 |
| 6888696 | Magnetic disk apparatus and servo signal recording method | Takashi Yamaguchi, Marutomo Goto, Hidehiko Numasato | 2005-05-03 |