Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937553 | Recorder for recording copy of production on the basis of copy attribute embedded as electronic watermark in the production, reproducing device for reproducing recorded copy, recorded medium, recording method, and reproducing method | Yoshitaka Mitui | 2005-08-30 |
| 6938162 | Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system | Takahiro Nagai, Yuji Takagi, Takashi Yumiba, Mamoru Shoji, Mitsuaki Oshima +6 more | 2005-08-30 |
| 6925250 | Optical disc for recording high resolution and normal image, optical disc player, optical disc recorder, and playback control information generator | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2005-08-02 |