Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826291 | Method and system for embedding information into contents | Hiroshi Yoshiura, Junichi Taguchi, Akira Maeda, Takao Arai, Toshifumi Takeuchi | 2004-11-30 |
| 6728408 | Water-mark embedding method and system | Hiroshi Yoshiura, Masafumi Nakamura, Takao Arai, Toshifumi Takeuchi | 2004-04-27 |
| 6711276 | Control method and apparatus for embedding information in data | Hiroshi Yoshiura, Takao Arai, Hiroyuki Kimura, Toshifumi Takeuchi, Yoshiaki Moriyama +2 more | 2004-03-23 |