TREA

General Research of Electronics, Inc.

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  • Tokyo, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Scanner with auxiliary non-volatile memory
    • Patent number 7,817,965
    • Issue date Oct 19, 2010
    • General Research of Electronics, Inc.
    • N. Craig Brown
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Receiver input circuit
    • Patent number 7,587,182
    • Issue date Sep 8, 2009
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Scanning receiver
    • Patent number 7,415,255
    • Issue date Aug 19, 2008
    • General Research of Electronics, Inc.
    • Kiyoshi Wakui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Circuit for detecting a center level of a FSK demodulated signal to...
    • Patent number 7,088,790
    • Issue date Aug 8, 2006
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Negative impedance converter
    • Patent number 7,005,950
    • Issue date Feb 28, 2006
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Negative resistance circuit
    • Patent number 6,985,053
    • Issue date Jan 10, 2006
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency scanning receiver permitting quick PPL setting
    • Patent number 6,968,165
    • Issue date Nov 22, 2005
    • General Research of Electronics, Inc.
    • Sadanori Shitara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Tuning circuit
    • Patent number 6,954,123
    • Issue date Oct 11, 2005
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Circuit for detecting and correcting central level of FSK demodulat...
    • Patent number 6,933,775
    • Issue date Aug 23, 2005
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Tuning circuit
    • Patent number 6,870,447
    • Issue date Mar 22, 2005
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Tuning circuit
    • Patent number 6,836,199
    • Issue date Dec 28, 2004
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    All pass filter
    • Patent number 6,816,005
    • Issue date Nov 9, 2004
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Active filter
    • Patent number 6,803,812
    • Issue date Oct 12, 2004
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Scanner
    • Patent number D494973
    • Issue date Aug 24, 2004
    • General Research of Electronics, Inc.
    • Kazuyoshi Imazeki
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Scanner
    • Patent number D494974
    • Issue date Aug 24, 2004
    • General Research of Electronics, Inc.
    • Kazuyoshi Imazeki
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Character input method
    • Patent number 6,690,303
    • Issue date Feb 10, 2004
    • General Research of Electronics, Inc.
    • Sadanori Shitara
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Tuning circuit having a resonance circuit and a negative resistance...
    • Patent number 6,628,181
    • Issue date Sep 30, 2003
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency scanning FSK receiver
    • Patent number 6,570,937
    • Issue date May 27, 2003
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Direct modulating FSK transmitter for MCA
    • Patent number 6,546,060
    • Issue date Apr 8, 2003
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Tuning circuit including a negative impedance circuit
    • Patent number 6,545,570
    • Issue date Apr 8, 2003
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Each area automatic selection receiver for emergency radio signal
    • Patent number 6,535,164
    • Issue date Mar 18, 2003
    • General Research of Electronics, Inc.
    • Kazuyoshi Imazeki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Circuit for detecting a center error to correct same
    • Patent number 6,529,565
    • Issue date Mar 4, 2003
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Tuning circuit with controlled negative resistance
    • Patent number 6,504,458
    • Issue date Jan 7, 2003
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    FSK signal demodulating integration-discharge circuit
    • Patent number 6,480,060
    • Issue date Nov 12, 2002
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Tuning circuit
    • Patent number 6,456,174
    • Issue date Sep 24, 2002
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Variable capacitance circuit
    • Patent number 6,396,328
    • Issue date May 28, 2002
    • General Research of Electronics Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Frequency scanning type receiver
    • Patent number 6,396,882
    • Issue date May 28, 2002
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Power supply unit
    • Patent number 6,377,020
    • Issue date Apr 23, 2002
    • General Research of Electronics, Inc.
    • Nobuaki Yokoyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Biquad notch filter
    • Patent number 6,373,332
    • Issue date Apr 16, 2002
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Center frequency error detecting circuit for FSK signal receiver
    • Patent number 6,188,733
    • Issue date Feb 13, 2001
    • General Research of Electronics, Inc.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Clip Device
    • Publication number 20110219589
    • Publication date Sep 15, 2011
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Masashi Yoneyama
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    PHASE COMPARISON SIGNAL PROCESSING CIRCUIT
    • Publication number 20080048742
    • Publication date Feb 28, 2008
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    VOLTAGE CONTROLLED OSCILLATOR
    • Publication number 20080018410
    • Publication date Jan 24, 2008
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    TRANSMITTER-RECEIVER FOR SHORT-RANGE WIRELESS TRANSMISSION
    • Publication number 20070281618
    • Publication date Dec 6, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Nobuaki Yokoyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ACTIVE INDUCTOR
    • Publication number 20070257748
    • Publication date Nov 8, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ACTIVE CAPACITOR
    • Publication number 20070257747
    • Publication date Nov 8, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Scanner with auxiliary non-volatile memory
    • Publication number 20070232287
    • Publication date Oct 4, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • N. Craig Brown
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    RECEIVER INPUT CIRCUIT
    • Publication number 20070188260
    • Publication date Aug 16, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ACTIVE INDUCTOR
    • Publication number 20070188274
    • Publication date Aug 16, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ACTIVE CAPACITOR
    • Publication number 20070188973
    • Publication date Aug 16, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DIRECTION FINDER ANTENNA
    • Publication number 20070109213
    • Publication date May 17, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Teruo Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RECEIVER INPUT CIRCUIT
    • Publication number 20070099589
    • Publication date May 3, 2007
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Scanning receiver
    • Publication number 20060057986
    • Publication date Mar 16, 2006
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kiyoshi Wakui
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    VARIABLE ATTENUATION CIRCUIT
    • Publication number 20060044040
    • Publication date Mar 2, 2006
    • GENERAL RESEARCH OF ELECTRONICS, INC.
    • Kazuo Kawai
    • H03 - BASIC ELECTRONIC CIRCUITRY

Trademarklast 30 trademarks

  • Information Trademark

    85231330 - EZ SCAN
    • Serial number 85231330
    • Registration number 4637442
    • Filing date Feb 1, 2011
    • General Research of Electronics, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    85018274 - EZ SCAN-SD
    • Serial number 85018274
    • Filing date Apr 20, 2010
    • General Research of Electronics, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments