Kazuyoshi Yamaki

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmitter
- Patent number 8,098,998
- Issue date Jan 17, 2012
- OpNext Japan, Inc.
- Shigehiro Takashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMITTER
- Publication number 20090060528
- Publication date Mar 5, 2009
- Shigehiro TAKASHIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE