Shigeharu Murayama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electro-acoustic converters, electronic devices, waterproof covers,...
- Patent number 8,942,401
- Issue date Jan 27, 2015
- W. L. Gore & Associates, Co., Ltd.
- Shigeharu Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Electro-Acoustic Converters, Electronic Devices, Waterproof Covers,...
- Publication number 20150172797
- Publication date Jun 18, 2015
- W.L. Gore & Associates, Co. Ltd.
- Shigeharu Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electro-Acoustic Converters, Electronic Devices, Waterproof Covers,...
- Publication number 20110261986
- Publication date Oct 27, 2011
- Shigeharu Murayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE