Takuma SHOJI

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission device and protection wavelength selection method
- Patent number 9,800,326
- Issue date Oct 24, 2017
- Fujitsu Limited
- Takuma Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission method
- Patent number 9,379,839
- Issue date Jun 28, 2016
- Fujitsu Limited
- Takuma Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and continuity testing method
- Patent number 8,554,071
- Issue date Oct 8, 2013
- Fujitsu Limited
- Takuma Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 8,190,022
- Issue date May 29, 2012
- Fujitsu Limited
- Takuma Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION DEVICE AND PROTECTION WAVELENGTH SELECTION METHOD
- Publication number 20170019167
- Publication date Jan 19, 2017
- Fujitsu Limited
- Takuma SHOJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD
- Publication number 20130034353
- Publication date Feb 7, 2013
- Fujitsu Limited
- Takuma Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND CONTINUITY TESTING METHOD
- Publication number 20110182585
- Publication date Jul 28, 2011
- Fujitsu Limited
- Takuma SHOJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS
- Publication number 20090169201
- Publication date Jul 2, 2009
- FUJITSU LIMITED
- Takuma SHOJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE