Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665260 | Optical recording medium including protruding winding parts used as prepits | Tatsuya Kato, Hiroyasu Inoue, Hideki Hirata | 2003-12-16 |
| 6618349 | Optical recording medium and its designing method | Hiroyasu Inoue, Hiroshi Shingai, Tetsuro Mizushima, Tatsuya Kato | 2003-09-09 |
| 6605328 | Optical recording medium | Hiroshi Shingai, Hiroyasu Inoue, Tatsuya Kato, Yoshitomo Tanaka | 2003-08-12 |
| 6537721 | Optical recording medium and method for its initialization | Hiroyasu Inoue, Makoto Takahashi | 2003-03-25 |
| 6515952 | Optical recording method | Takashi Kikukawa | 2003-02-04 |