Yoshifumi Sakata

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Kasuga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication apparatus for providing presence information
- Patent number 7,983,403
- Issue date Jul 19, 2011
- Panasonic Corporation
- Yoshifumi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION APPARATUS
- Publication number 20070121528
- Publication date May 31, 2007
- Matsushita Electric Industrial Co., Ltd.
- Yoshifumi SAKATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication apparatus and communication method
- Publication number 20060083237
- Publication date Apr 20, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yoshifumi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communication device and method
- Publication number 20050180430
- Publication date Aug 18, 2005
- Yuichi Kawaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network resource-reserving apparatus and method
- Publication number 20050180426
- Publication date Aug 18, 2005
- Yoshifumi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE