Ryoichi Miyake

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission equipment for suppressing a four wave mixing a...
- Patent number 7,064,888
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission equipment for suppressing a four wave mixing a...
- Patent number 6,999,230
- Issue date Feb 14, 2006
- Hitachi, Ltd.
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION EQUIPMENT FOR SUPPRESSING A FOUR WAVE MIXING A...
- Publication number 20060082869
- Publication date Apr 20, 2006
- Hitachi, Ltd
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission equipment for suppressing a four wave mixing a...
- Publication number 20030152388
- Publication date Aug 14, 2003
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE