Fumiya UEHARA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical amplifier
- Patent number 9,583,911
- Issue date Feb 28, 2017
- Sei Optifrontier Co., Ltd.
- Fumiya Uehara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL AMPLIFIER
- Publication number 20160261087
- Publication date Sep 8, 2016
- SEI Optifrontier Co., Ltd.
- Fumiya UEHARA
- H01 - BASIC ELECTRIC ELEMENTS