Ikuo Kawaguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device structure
- Patent number 5,811,877
- Issue date Sep 22, 1998
- Hitachi, Ltd.
- Ichiro Miyano
- H01 - BASIC ELECTRIC ELEMENTS

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