Ryo Sugihara

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Watermark signal generating method
- Patent number 7,587,604
- Issue date Sep 8, 2009
- International Business Machines Corporation
- Ryuki Tachibana
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of distributing stream data and system thereof
- Patent number 7,502,863
- Issue date Mar 10, 2009
- International Business Machines Corporation
- Ryo Sugihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method of distributing stream data and system thereof
- Publication number 20060168293
- Publication date Jul 27, 2006
- International Business Machines Corporation
- Ryo Sugihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital content delivery, server and client
- Publication number 20050021817
- Publication date Jan 27, 2005
- International Business Machines Corporation
- Shuichi Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE