Seiji Fujita

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Current reuse amplifier
- Patent number 10,090,816
- Issue date Oct 2, 2018
- Sumitomo Electric Industries, Ltd
- Seiji Fujita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Electronic device
- Patent number 9,543,630
- Issue date Jan 10, 2017
- Sumitomo Electric Industries, Ltd
- Tsuneo Tokumitsu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mixer
- Patent number 9,197,159
- Issue date Nov 24, 2015
- Sumitomo Electric Industries, Ltd
- Seiji Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mixer
- Patent number 8,975,946
- Issue date Mar 10, 2015
- Sumitomo Electric Industries, Ltd
- Seiji Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic circuit
- Patent number 8,508,302
- Issue date Aug 13, 2013
- Sumitomo Electric Industries, Ltd.
- Seiji Fujita
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
AMPLIFIER
- Publication number 20240039481
- Publication date Feb 1, 2024
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Seiji FUJITA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CURRENT REUSE AMPLIFIER
- Publication number 20170288623
- Publication date Oct 5, 2017
- Sumitomo Electric Industries, Ltd.
- Seiji Fujita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
ELECTRONIC DEVICE
- Publication number 20150364805
- Publication date Dec 17, 2015
- Sumitomo Electric Industries, Ltd.
- Tsuneo TOKUMITSU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MIXER
- Publication number 20150137870
- Publication date May 21, 2015
- Sumitomo Electric Industries, Ltd.
- Seiji Fujita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MIXER
- Publication number 20140159796
- Publication date Jun 12, 2014
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Seiji Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC CIRCUIT
- Publication number 20120075003
- Publication date Mar 29, 2012
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Seiji Fujita
- H03 - BASIC ELECTRONIC CIRCUITRY