Hiroki Shima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission system and repeater
- Patent number 8,320,771
- Issue date Nov 27, 2012
- Mitsubishi Electric Corporation
- Tsuyoshi Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND REPEATER
- Publication number 20100284694
- Publication date Nov 11, 2010
- MITSUBISHI ELECTRIC CORPORATION
- Tsuyoshi Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE