Kyouichi Yamamoto

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing optic transmission modules and system for...
- Patent number 6,661,503
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Kazuo Yamaguchi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical module testing method and testing system
- Publication number 20030081278
- Publication date May 1, 2003
- OpNext Japan, Inc.
- Norio Chujo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE