Tarou Tonoduka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical communication module
- Patent number 7,215,886
- Issue date May 8, 2007
- Hitachi, Ltd.
- Shigenobu Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optoelectronic transceiver with power voltage supply detection
- Patent number 7,167,654
- Issue date Jan 23, 2007
- OpNext Japan, Inc.
- Shigeru Tokita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical communication module
- Publication number 20040208211
- Publication date Oct 21, 2004
- OpNext Japan, Inc.
- Shigenobu Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical transmission equipment
- Publication number 20030228153
- Publication date Dec 11, 2003
- OpNext Japan, Inc.
- Shigeru Tokita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE