Satoshi Asamizu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission system for substantially equalizing the output...
- Patent number 7,536,110
- Issue date May 19, 2009
- Hitachi, Ltd.
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmission equipment and...
- Patent number 7,391,974
- Issue date Jun 24, 2008
- Hitachi, Ltd.
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system for substantially equalizing the output...
- Patent number 7,272,325
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmission equipment and...
- Patent number 7,194,210
- Issue date Mar 20, 2007
- Hitachi, Ltd.
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system for substantially equalizing the output...
- Patent number 7,116,908
- Issue date Oct 3, 2006
- Hitachi Ltd.
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION SYSTEM FOR SUBSTANTIALLY EQUALIZING THE OUTPUT...
- Publication number 20070206955
- Publication date Sep 6, 2007
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical transmission equipment and...
- Publication number 20070166052
- Publication date Jul 19, 2007
- Hitachi, Ltd
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system for substantially equalizing the output...
- Publication number 20070110452
- Publication date May 17, 2007
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system for substantially equalizing the output...
- Publication number 20020181045
- Publication date Dec 5, 2002
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical transmission equipment and...
- Publication number 20020181061
- Publication date Dec 5, 2002
- Hitachi, Ltd
- Tetsuya Uda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE