Kazuyuki Fujiwara

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Narashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Delta sigma D/A converter
- Patent number 6,624,774
- Issue date Sep 23, 2003
- Nippon Precision Circuits Inc.
- Minoru Takeda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable-gain amplifier circuit and attenuator circuit
- Patent number 6,137,365
- Issue date Oct 24, 2000
- Nippon Precision Circuits, Inc.
- Hiroyuki Wakairo
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Air-cooled type induction motor for use in vehicles having means to...
- Patent number 5,084,641
- Issue date Jan 28, 1992
- Kabushiki Kaisha Toshiba
- Tooru Saima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Delta sigma D/A converter
- Publication number 20030016152
- Publication date Jan 23, 2003
- Minoru Takeda
- H03 - BASIC ELECTRONIC CIRCUITRY