Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836844 | Information signal copy managing method, information signal recording method, information signal output apparatus, and recording medium | Masaya Otsuka | 2004-12-28 |
| 6819765 | Video-signal output apparatus, video-signal input apparatus, and scramble method, and descramble method | — | 2004-11-16 |
| 6781935 | Method for limited recording of an information signal, system for controlled recording of an information signal, and information signal recording apparatus | Masaya Otsuka | 2004-08-24 |
| 6687802 | Outputting apparatus, outputting method, recording apparatus, recording method, reproduction apparatus, reproduction method and recording medium | Masaya Otsuka | 2004-02-03 |