| 8285998 |
Dynamic image content tamper detecting device and system |
Takaaki Yamada, Nobuharu Miura, Michiro Maeta, Takashi Mizuno |
2012-10-09 |
| 7577843 |
System and method for controlling contents by plurality of pieces of control information |
Takao Arai, Hiroyuki Kimura, Takaaki Yamada, Yasuhiro Fujii |
2009-08-18 |
| 7499565 |
Method of watermarking for binary images |
Yasuhiro Fujii, Kazunori Nakano, Hiroshi Yoshiura |
2009-03-03 |
| 7478432 |
Method and system for contents control |
Hiroshi Yoshiura, Kunihiko Miyazaki, Kousuke Anzai, Jun'ichi Taguchi, Kazunori Nakano +1 more |
2009-01-13 |
| 7310428 |
Method of detecting digital watermark information |
Kousuke Anzai, Hiroshi Yoshiura |
2007-12-18 |
| 7293294 |
Method and apparatus for using contents |
Hiromi Ukai, Shigeki Hirasawa, Kousuke Anzai, Hiroshi Yoshiura, Masataka Okayama +1 more |
2007-11-06 |
| 7113613 |
Watermark information detection method |
Hiroshi Yoshiura, Hiroyuki Kimura, Akio Fukushima, Kousuke Anzai |
2006-09-26 |
| 7065226 |
Method for embedding information and extracting the same |
Kousuke Anzai, Hiroshi Yoshiura, Shinobu Eikawa |
2006-06-20 |
| 7047407 |
Network system enabling transmission control |
Shinji Itoh, Kunihiko Miyazaki |
2006-05-16 |
| 7047412 |
Digital watermark data embedding method, and digital watermark data embeddability analyzing method |
Hiroshi Yoshiura, Ryoichi Sasaki, Shinichiro Harano, Shinobu Eikawa |
2006-05-16 |
| 6970575 |
Method of extracting digital watermark information and method of judging bit value of digital watermark information |
Hiroshi Yoshiura, Yutaka Kurosu, Kousuke Anzai |
2005-11-29 |
| 6865677 |
Contents rendering control method, contents reproducing equipment, and contents distribution equipment |
Hiroshi Yoshiura, Ryoichi Sasaki, Shinichiro Harano, Shinobu Eikawa |
2005-03-08 |
| 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 |
| 6650763 |
Method of extracting digital watermark information and method of judging bit value of digital watermark information |
Hiroshi Yoshiura, Yutaka Kurosu, Kousuke Anzai |
2003-11-18 |
| 6584210 |
Digital watermark image processing method |
Junichi Taguchi, Hiroshi Yoshiura, Akira Maeda, Takao Arai, Toshifumi Takeuchi |
2003-06-24 |
| 6563935 |
Method of extracting digital watermark information and method of judging bit value of digital watermark information |
Hiroshi Yoshiura, Kousuke Anzai, Yutaka Kurosu |
2003-05-13 |
| 6456727 |
Method of extracting digital watermark information and method of judging but value of digital watermark information |
Hiroshi Yoshiura, Yutaka Kurosu, Kousuke Anzai |
2002-09-24 |
| 6418232 |
Method of authenticating digital-watermark pictures |
Kazunori Nakano, Juńichi Taguchi, Hiroshi Yoshiura, Yutaka Kurosu |
2002-07-09 |
