Issued Patents 2004
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834349 | Copyright protection system for data storage and transmission | Seiji Higurashi | 2004-12-21 |
| 6823007 | Method for protection of data reproduction according to both medium protection data and apparatus protection data, including limitation of reproduction based on a film classification system | — | 2004-11-23 |
| 6816549 | METHOD FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO MEDIUM PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL AND A RANGE OF PROTECTION LEVEL THEREFOR | — | 2004-11-09 |
| 6804298 | APPARATUS FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO MEDIUM PROTECTION DATA, POSITION INFORMATION AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA AT SPECIFIED POSITIONS ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL | — | 2004-10-12 |
| 6804297 | METHOD FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO MEDIUM PROTECTION DATA, POSITION INFORMATION AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA AT SPECIFIED POSITIONS ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL | — | 2004-10-12 |
| 6804296 | METHOD FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO MEDIUM PROTECTION DATA, POSITION INFORMATION, FIRST AND SECOND APPARATUS PROTECTION DATA AND A FILM CLASSIFICATION SYSTEM TO DETERMINE WHETHER MAIN DATA AT SPECIFIED POSITIONS ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL, AND DATA MEDIUM THEREFOR | — | 2004-10-12 |
| 6795500 | METHOD FOR PROTECTION OF DATA DECODING ACCORDING TO MEDIUM PROTECTION DATA POSITION INFORMATION AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA AT SPECIFIED POSITIONS ARE DECODED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL | — | 2004-09-21 |
| 6788881 | Storage medium and apparatus and method of recording and reproducing encoded data thereto and therefrom | Toshio Kuroiwa, Junzo Suzuki | 2004-09-07 |
| 6763066 | APPARATUS FOR PROTECTION OF DATA DECODING ACCORDING TO PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA ARE DECODED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL | — | 2004-07-13 |
| 6763065 | Reproduction protection method according to both medium and apparatus protection data and a medium therefor | — | 2004-07-13 |
| 6760292 | Disc recorder for recording coded data to be reproduced in real time and method of doing the same | — | 2004-07-06 |
| 6760375 | METHOD FOR PROTECTION OF DATA DECODING ACCORDING TO PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA ARE DECODED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL | — | 2004-07-06 |
| 6745166 | Contents information recording method, contents information processing unit, contents information deciphering method, contents information deciphering unit and media thereof | Atsumi Hirata | 2004-06-01 |
| 6741647 | METHOD FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO MEDIUM PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL | — | 2004-05-25 |
| 6735251 | DECODING APPARATUS FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE WHETHER MAIN DATA ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY OR NOT AT ALL | — | 2004-05-11 |
| 6683987 | Method and apparatus for altering the picture updating frequency of a compressed video data stream | — | 2004-01-27 |
| 6683989 | Coding apparatus for recoding coded bit streams | Mitsuaki Fujiwara, Kazuhiko Morita | 2004-01-27 |