Takashi Okuda

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Patents Grantslast 30 patents

Information Patent Grant
Optical add/drop multiplexer
- Patent number 8,098,988
- Issue date Jan 17, 2012
- Fujitsu Limited
- Hiroaki Nakazato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for increasing/reducing band data rate of ring-based network...
- Patent number 7,983,154
- Issue date Jul 19, 2011
- Fujitsu Limited
- Takashi Okuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ADM device and signal transmission method
- Patent number 7,570,673
- Issue date Aug 4, 2009
- Fujitsu Limited
- Noboru Iwabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
L2 switch
- Patent number 7,522,525
- Issue date Apr 21, 2009
- Fujitsu Limited
- Hironori Mieno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical add/drop multiplexer
- Publication number 20090297149
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Hiroaki Nakazato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RPR TRANSMISSION ROUTE DESIGNATION METHOD AND APPARATUS
- Publication number 20080159137
- Publication date Jul 3, 2008
- Fujitsu Limited
- Yoichi Konuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for increasing/reducing band data rate of ring-based network...
- Publication number 20070070899
- Publication date Mar 29, 2007
- Takashi Okuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADM device and signal transmission method
- Publication number 20060209861
- Publication date Sep 21, 2006
- FUJITSU LIMITED
- Noboru Iwabuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
L2 switch
- Publication number 20050163132
- Publication date Jul 28, 2005
- Hironori Mieno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network supervisory control system
- Publication number 20030210701
- Publication date Nov 13, 2003
- Koichi Saiki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE