Kazuya Shimoyama

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Relay communication apparatus and multistage relay communication sy...
- Patent number 8,971,318
- Issue date Mar 3, 2015
- Hitachi, Ltd.
- Tsutomu Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device
- Patent number 8,693,481
- Issue date Apr 8, 2014
- Hitachi, Ltd.
- Noritaka Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RELAY COMMUNICATION APPARATUS AND MULTISTAGE RELAY COMMUNICATION SY...
- Publication number 20130121238
- Publication date May 16, 2013
- Hitachi, Ltd
- Tsutomu Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE
- Publication number 20120044954
- Publication date Feb 23, 2012
- Hitachi, Ltd.
- Noritaka MATSUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE