Yutaka Kurosu

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of extracting digital watermark information and method of ju...
- Patent number 6,970,575
- Issue date Nov 29, 2005
- Hitachi, Ltd.
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of judging digital watermark information
- Patent number 6,959,101
- Issue date Oct 25, 2005
- Hitachi, Ltd.
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Steganographic system, method, program and storage medium therefor
- Patent number 6,707,927
- Issue date Mar 16, 2004
- Hitachi, Ltd.
- Kazumasa Kita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of judging digital watermark information
- Patent number 6,665,417
- Issue date Dec 16, 2003
- Hitachi, Ltd.
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Recording device
- Patent number 6,658,135
- Issue date Dec 2, 2003
- Hitachi, Ltd.
- Hajime Morito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of extracting digital watermark information and method of ju...
- Patent number 6,650,763
- Issue date Nov 18, 2003
- Hitachi, Ltd.
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of extracting digital watermark information and method of ju...
- Patent number 6,563,935
- Issue date May 13, 2003
- Hitachi, Ltd.
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of extracting digital watermark information and method of ju...
- Patent number 6,456,727
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of authenticating digital-watermark pictures
- Patent number 6,418,232
- Issue date Jul 9, 2002
- Hitachi, Ltd.
- Kazunori Nakano
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method of judging digital watermark information
- Publication number 20040120546
- Publication date Jun 24, 2004
- Hiroshi Yoshiura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of extracting digital watermark information and method of ju...
- Publication number 20040062416
- Publication date Apr 1, 2004
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of extracting digital watermark information and method of ju...
- Publication number 20030021444
- Publication date Jan 30, 2003
- Isao Echizen
- G06 - COMPUTING CALCULATING COUNTING

Yutaka Kurosu

Person

Patents Grantslast 30 patents

Method of extracting digital watermark information and method of ju...

Method of judging digital watermark information

Steganographic system, method, program and storage medium therefor

Method of judging digital watermark information

Recording device

Method of extracting digital watermark information and method of ju...

Method of extracting digital watermark information and method of ju...

Method of extracting digital watermark information and method of ju...

Method of authenticating digital-watermark pictures

Patents Applicationslast 30 patents

Method of judging digital watermark information

Method of extracting digital watermark information and method of ju...

Method of extracting digital watermark information and method of ju...