Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970575 | Method of extracting digital watermark information and method of judging bit value of digital watermark information | Isao Echizen, Yutaka Kurosu, Kousuke Anzai | 2005-11-29 |
| 6959101 | Method of judging digital watermark information | Kousuke Anzai, Yutaka Kurosu | 2005-10-25 |
| 6954856 | Additional information embedding method, additional information detecting method, additional information embedding apparatus and additional information detecting apparatus | Takashi Kohashi, Akira Ogino, Hiroyuki Kimura, Yoshiaki Moriyama, Kazumi Sugaya | 2005-10-11 |
| 6889211 | Method and system for distributing multimedia data with management information | Ryoichi Sasaki | 2005-05-03 |
| 6879978 | System and method of searching for electronic data | Hirokazu Aoshima, Eiichi Kamada, Atsushi Kikuta | 2005-04-12 |
| 6865553 | Copy protection apparatus and method | Hajime Morito, Michael Roe | 2005-03-08 |
| 6865677 | Contents rendering control method, contents reproducing equipment, and contents distribution equipment | Isao Echizen, Ryoichi Sasaki, Shinichiro Harano, Shinobu Eikawa | 2005-03-08 |