Tetsuo Watanabe

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical communications module
- Patent number 5,677,779
- Issue date Oct 14, 1997
- Fujitsu Limited
- Gan Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data decision circuit used in optical parallel receiving module, op...
- Patent number 5,652,767
- Issue date Jul 29, 1997
- Fujitsu Limited
- Tetsuya Kiyonaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical module for two-way transmission
- Patent number 5,546,212
- Issue date Aug 13, 1996
- Fujitsu Limited
- Tatsuro Kunikane
- G02 - OPTICS
Information Patent Grant
Optical multiplexer and demultiplexer module including multiplexing...
- Patent number 5,479,547
- Issue date Dec 26, 1995
- Fujitsu Limited
- Tatsuro Kunikane
- G02 - OPTICS
Information Patent Grant
Apparatus for protecting vacuum interrupter type on-line tap changer
- Patent number 4,388,664
- Issue date Jun 14, 1983
- Fuji Electric Co., Ltd.
- Tetsuo Watanabe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Optical monitor device
- Publication number 20040202417
- Publication date Oct 14, 2004
- FUJITSU LIMITED
- Tetsuo Watanabe
- G02 - OPTICS
Information Patent Application
Optical module
- Publication number 20010028770
- Publication date Oct 11, 2001
- Hironao Hakogi
- G02 - OPTICS