Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7948698 | Pattern transfer apparatus and pattern transfer method | Kazuhiko Takaishi | 2011-05-24 |
| 7787200 | Disk-device correcting system, information managing device, master-disk producing device, and master-disk producing method | Hiroyuki Suzuki, Tomoyoshi Yamada, Kazuhiko Takaishi, Tsugito Maruyama, Sumio Kuroda | 2010-08-31 |
| 7567405 | Servo information recording device and servo information recording method | Toshiya Kato | 2009-07-28 |
| 7508620 | Disk apparatus, information processing system, and information providing apparatus | Kazuhiko Takaishi, Tomoyoshi Yamada, Tsugito Maruyama, Hiroyuki Suzuki | 2009-03-24 |
| 7304820 | Method of positioning disk-shaped medium | Toshiya Kato, Terushige Arai | 2007-12-04 |
| 7233453 | Servo track writing device and method thereof | Tohru Harada, Taizan Kobayashi, Toshinori Kasuga, Yukio Ozaki, Eiji Takada +1 more | 2007-06-19 |
| 6909568 | Servo data writing device | Masaru Ishijima | 2005-06-21 |
| 6307702 | Method of writing servo tracks on magnetic disc and device for the same | Tetsuya Nagai | 2001-10-23 |