Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633525 | Optical disk having an attribute which designates whether a recording area permits rewriting or not | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2003-10-14 |
| 6621782 | Optical disk, an optical disk device, and a method of managing defects in an optical disk | Hiroyuki Ohata | 2003-09-16 |
| 6529451 | Optical disk and optical disk drive device | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2003-03-04 |
| 6526019 | Optical disk having a recording area on each side and attribute data designating each recording area as rewriteable or not rewriteable | Kyosuke Yoshimoto, M. C. Rao, Hiroyuki Ohata, Teruo Furukawa, Junichi Kondo +1 more | 2003-02-25 |
| 6522609 | Optical disk, an optical disk device, and a method of managing defects in an optical disk | Hiroyuki Ohata | 2003-02-18 |