Ryuta Hoshi

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Fukoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical amplifier apparatus
- Patent number 8,259,390
- Issue date Sep 4, 2012
- Fujitsu Limited
- Ryuta Hoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus, optical transmission method, and op...
- Patent number 8,200,090
- Issue date Jun 12, 2012
- Fujitsu Limited
- Yuichiro Sakane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION APPARATUS, SEMICONDUCTOR DEVICE, AND FREQUENCY CHARAC...
- Publication number 20170288676
- Publication date Oct 5, 2017
- Fujitsu Limited
- Ryuta Hoshi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION METHOD, AND OP...
- Publication number 20100067917
- Publication date Mar 18, 2010
- FUJITSU LIMITED
- Yuichiro SAKANE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER APPARATUS
- Publication number 20090237781
- Publication date Sep 24, 2009
- FUJITSU LIMITED
- Ryuta Hoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE