Dai HAGIMURA

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Patents Grantslast 30 patents

Information Patent Grant
Transmission apparatus, transmission system, and transmission method
- Patent number 9,479,619
- Issue date Oct 25, 2016
- Fujitsu Limited
- Takanobu Wakabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus and heat generation suppressing method
- Patent number 8,780,736
- Issue date Jul 15, 2014
- Fujitsu Limited
- Dai Hagimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus having path trace function
- Patent number 7,522,533
- Issue date Apr 21, 2009
- Fujitsu Limited
- Dai Hagimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus monitoring optical performance
- Patent number 7,020,395
- Issue date Mar 28, 2006
- Fujitsu Limited
- Dai Hagimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION APPARATUS, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD
- Publication number 20150016473
- Publication date Jan 15, 2015
- Fujitsu Limited
- TAKANOBU WAKABAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION APPARATUS AND HEAT GENERATION SUPPRESSING METHOD
- Publication number 20120287943
- Publication date Nov 15, 2012
- Fujitsu Limited
- Dai HAGIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus having path trace function
- Publication number 20050163055
- Publication date Jul 28, 2005
- Dai Hagimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus
- Publication number 20030152384
- Publication date Aug 14, 2003
- FUJITSU LIMITED
- Dai Hagimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE