Yoshiyasu Tanaka

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Emergable watermark superimposing method, emergable watermark super...
- Patent number 9,154,802
- Issue date Oct 6, 2015
- Hitachi Solutions, Ltd.
- Yoshiyasu Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for classifying sections of an image into a pl...
- Patent number 8,938,088
- Issue date Jan 20, 2015
- Hitachi Solutions, Ltd.
- Yoshiyasu Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IMAGE PROCESSING DEVICE, IMAGE GENERATION DEVICE, IMAGE PROCESSING...
- Publication number 20120300976
- Publication date Nov 29, 2012
- HITACHI SOLUTIONS, LTD.
- Yoshiyasu Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EMERGABLE WATERMARK SUPERIMPOSING METHOD, EMERGABLE WATERMARK SUPER...
- Publication number 20120163655
- Publication date Jun 28, 2012
- Hitachi Solutions, Ltd.
- Yoshiyasu Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE