Takashi Sakata

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Patents Grantslast 30 patents

Information Patent Grant
Broadcast distributing system and broadcast distributing method
- Patent number 7,965,727
- Issue date Jun 21, 2011
- Fujitsu Limited
- Takashi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system
- Patent number 6,414,768
- Issue date Jul 2, 2002
- Fujitsu Limited
- Takashi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subscriber network system
- Patent number 6,288,809
- Issue date Sep 11, 2001
- Fujitsu Limited
- Eisaku Touma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subscriber network system and fault supervising method for...
- Patent number 6,288,806
- Issue date Sep 11, 2001
- Fujitsu Limited
- Eisaku Touma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Broadcast distributing system, broadcast distributing method, and n...
- Publication number 20080069131
- Publication date Mar 20, 2008
- FUJITSU LIMITED
- Takashi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical transmission system
- Publication number 20050123299
- Publication date Jun 9, 2005
- Fujitsu Limited
- Takashi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE