Hideyuki Serizawa

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control method and apparatus for stabilizing optical wavelength
- Patent number 6,891,867
- Issue date May 10, 2005
- Opnext Japan, Inc
- Hideyuki Serizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitter and optical transmission system using electro a...
- Patent number 6,873,801
- Issue date Mar 29, 2005
- OpNext Japan, Inc.
- Kazuyoshi Yamaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength stability control apparatus, optical transmitter...
- Patent number 6,229,832
- Issue date May 8, 2001
- Hitachi, Ltd.
- Naohiko Baba
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Control method and apparatus for stabilizing optical wavelength
- Patent number 6,212,210
- Issue date Apr 3, 2001
- Hitachi, Ltd.
- Hideyuki Serizawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Control method and apparatus for stabilizing optical wavelength
- Publication number 20010021207
- Publication date Sep 13, 2001
- Hitachi, Ltd.
- Hideyuki Serizawa
- H01 - BASIC ELECTRIC ELEMENTS