Kazunori Nakano

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of watermarking for binary images
- Patent number 7,499,565
- Issue date Mar 3, 2009
- Hitachi, Ltd.
- Yasuhiro Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for contents control
- Patent number 7,478,432
- Issue date Jan 13, 2009
- Hitachi, Ltd.
- Isao Echizen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 watermarking for binary images
- Publication number 20050025333
- Publication date Feb 3, 2005
- Yasuhiro Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for contents control
- Publication number 20020188840
- Publication date Dec 12, 2002
- Isao Echizen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE