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Naoki Hongo

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Patents Grantslast 30 patents

  • Information Patent Grant

    Wireless apparatus, communication system, and communication method
    • Patent number 11,528,060
    • Issue date Dec 13, 2022
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wireless communication system
    • Patent number 10,742,371
    • Issue date Aug 11, 2020
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wireless communication system
    • Patent number 10,505,596
    • Issue date Dec 10, 2019
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Amplifying device
    • Patent number 9,065,404
    • Issue date Jun 23, 2015
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifying device
    • Patent number 8,884,697
    • Issue date Nov 11, 2014
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distortion compensation amplification device
    • Patent number 8,334,723
    • Issue date Dec 18, 2012
    • Hitachi Kokusai Electric, Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power circuit used for an amplifier
    • Patent number 8,030,995
    • Issue date Oct 4, 2011
    • Hitachi Kokusai Electric Inc.
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Non-linear distortion detection method and distortion compensation...
    • Patent number 8,014,443
    • Issue date Sep 6, 2011
    • Hitachi Kokusai Electric Inc.
    • Manabu Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Predistorter
    • Patent number 7,944,295
    • Issue date May 17, 2011
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    LINC amplifying device
    • Patent number 7,719,353
    • Issue date May 18, 2010
    • Hitachi Kokusai Electric Inc.
    • Manabu Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Spectrum analyzing method, distortion detector and distortion compe...
    • Patent number 7,696,761
    • Issue date Apr 13, 2010
    • Hitachi Kokusai Electric, Inc.
    • Tetsuhiko Miyatani
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Predistorter
    • Patent number 7,683,713
    • Issue date Mar 23, 2010
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Predistorter
    • Patent number 7,679,439
    • Issue date Mar 16, 2010
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distortion compensation amplifying apparatus
    • Patent number 7,514,996
    • Issue date Apr 7, 2009
    • Hitachi Kokusai Electric Inc.
    • Satoshi Furuta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Predistorter
    • Patent number 7,511,574
    • Issue date Mar 31, 2009
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Doherty amplifier with improved linearity
    • Patent number 7,427,895
    • Issue date Sep 23, 2008
    • Hitachi Kokusai Electric Inc.
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distortion compensator
    • Patent number 7,212,584
    • Issue date May 1, 2007
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Predistorter
    • Patent number 7,190,222
    • Issue date Mar 13, 2007
    • Hitachi Kokusai Electric Inc.
    • Takashi Okazaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Predistorter
    • Patent number 7,170,345
    • Issue date Jan 30, 2007
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distortion compensator
    • Patent number 7,142,615
    • Issue date Nov 28, 2006
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Distortion-compensated amplifier using predistortion technique
    • Patent number 7,098,734
    • Issue date Aug 29, 2006
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifying device
    • Patent number 6,959,174
    • Issue date Oct 25, 2005
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Peak limiter and multi-carrier amplification apparatus
    • Patent number 6,931,239
    • Issue date Aug 16, 2005
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Predistortion type distortion compensation apparatus
    • Patent number 6,925,106
    • Issue date Aug 2, 2005
    • Hitachi Kokusai Electric Inc.
    • Masato Horaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifying device
    • Patent number 6,904,267
    • Issue date Jun 7, 2005
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Distortion compensator
    • Patent number 6,856,196
    • Issue date Feb 15, 2005
    • Hitachi Kokusai Electric Inc.
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distortion compensation circuit
    • Patent number 6,809,588
    • Issue date Oct 26, 2004
    • Hitachi Kokusai Electric Inc.
    • Toshio Takada
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distortion reducing circuit
    • Patent number 6,753,728
    • Issue date Jun 22, 2004
    • Hitachi Kokusai Electric Inc.
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Distortion canceling circuit
    • Patent number 6,741,128
    • Issue date May 25, 2004
    • Hitachi Kokusai Electric Inc.
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Predistortion type distortion compensation amplification apparatus
    • Patent number 6,714,073
    • Issue date Mar 30, 2004
    • Hitachi Kokusai Electric Inc.
    • Masaki Suto
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    WIRELESS APPARATUS, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD
    • Publication number 20220271801
    • Publication date Aug 25, 2022
    • Hitachi Kokusai Electric Inc.
    • Naoki HONGO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WIRELESS COMMUNICATION SYSTEM
    • Publication number 20190372725
    • Publication date Dec 5, 2019
    • Hitachi Kokusai Electric Inc.
    • Naoki HONGO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    WIRELESS COMMUNICATION SYSTEM
    • Publication number 20190020385
    • Publication date Jan 17, 2019
    • Hitachi Kokusai Electric Inc.
    • Naoki HONGO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AMPLIFYING DEVICE
    • Publication number 20130285748
    • Publication date Oct 31, 2013
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AMPLIFYING DEVICE
    • Publication number 20130113557
    • Publication date May 9, 2013
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    DISTORTION COMPENSATION AMPLIFICATION DEVICE
    • Publication number 20110163806
    • Publication date Jul 7, 2011
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER CIRCUIT
    • Publication number 20100171553
    • Publication date Jul 8, 2010
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    LINC amplifying device
    • Publication number 20090231032
    • Publication date Sep 17, 2009
    • Hitachi Kokusai Electric Inc.
    • Manabu Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    PREDISTORTER
    • Publication number 20090189692
    • Publication date Jul 30, 2009
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    PREDISTORTER
    • Publication number 20090160550
    • Publication date Jun 25, 2009
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Predistorter
    • Publication number 20090115513
    • Publication date May 7, 2009
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Distortion Compensation Amplifying Apparatus
    • Publication number 20080197925
    • Publication date Aug 21, 2008
    • Hitachi Kokusai Electric Inc.
    • Satoshi Furuta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Non-linear distortion detection method and distortion compensation...
    • Publication number 20080187035
    • Publication date Aug 7, 2008
    • Manabu Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Spectrum Analyzing Method, Distortion Detector and Distortion Compe...
    • Publication number 20080068080
    • Publication date Mar 20, 2008
    • Tetsuhiko Miyatani
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Predistorter
    • Publication number 20070296494
    • Publication date Dec 27, 2007
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Predistorter
    • Publication number 20050258898
    • Publication date Nov 24, 2005
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Predistorter
    • Publication number 20050195030
    • Publication date Sep 8, 2005
    • Takashi Okazaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Distortion-compensated amplifier using predistortion technique
    • Publication number 20050068102
    • Publication date Mar 31, 2005
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Distortion compensator
    • Publication number 20040120420
    • Publication date Jun 24, 2004
    • Naoki Hongo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Distortion compensator
    • Publication number 20040041628
    • Publication date Mar 4, 2004
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Predistortion type distortion compensation amplification apparatus
    • Publication number 20030174019
    • Publication date Sep 18, 2003
    • Hitachi Kokusai Electric Inc.
    • Masaki Suto
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Distortion reducing circuit
    • Publication number 20030085761
    • Publication date May 8, 2003
    • Hitachi Kokusai Electric Inc.
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Distortion compensation circuit
    • Publication number 20030085762
    • Publication date May 8, 2003
    • Hitachi Kokusai Electric Inc.
    • Toshio Takada
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Distortion compensator
    • Publication number 20030053552
    • Publication date Mar 20, 2003
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Amplifying device
    • Publication number 20030045247
    • Publication date Mar 6, 2003
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Amplifying device
    • Publication number 20030045253
    • Publication date Mar 6, 2003
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Peak limiter and multi-carrier amplification apparatus
    • Publication number 20030022639
    • Publication date Jan 30, 2003
    • Hitachi Kokusai Electric Inc.
    • Naoki Hongo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Distortion canceling circuit
    • Publication number 20020180523
    • Publication date Dec 5, 2002
    • Hitachi Kokusai Electric Inc.
    • Yoichi Okubo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Predistortion type distortion compensation apparatus
    • Publication number 20020101938
    • Publication date Aug 1, 2002
    • Masato Horaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY