Takefumi Yoshikawa

Person

  • Nishinomiya, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Receiver circuit and data transmission system

    • Patent number 8,301,093
    • Issue date Oct 30, 2012
    • Panasonic Corporation
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Phase comparator and regulation circuit

    • Patent number 7,970,092
    • Issue date Jun 28, 2011
    • Panasonic Corporation
    • Yukio Arima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Receiver circuit

    • Patent number 7,675,314
    • Issue date Mar 9, 2010
    • Panasonic Corporation
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Resynchronization circuit

    • Patent number 7,535,985
    • Issue date May 19, 2009
    • Panasonic Corporation
    • Hisanori Yuki
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Receiver circuit

    • Patent number 7,397,268
    • Issue date Jul 8, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data transmitting/receiving device

    • Patent number 7,372,380
    • Issue date May 13, 2008
    • Matsushita Elecetric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signal detector

    • Patent number 7,298,130
    • Issue date Nov 20, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshihide Komatsu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Frequency modulation circuit

    • Patent number 7,233,215
    • Issue date Jun 19, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Receiver circuit

    • Patent number 7,176,708
    • Issue date Feb 13, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Input circuit and output circuit

    • Patent number 7,149,267
    • Issue date Dec 12, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Yutaka Terada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Clock recovery circuit

    • Patent number 7,136,441
    • Issue date Nov 14, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Toru Iwata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Low-pass filter for a PLL, phase-locked loop and semiconductor inte...

    • Patent number 7,030,688
    • Issue date Apr 18, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Shiro Dosho
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Driver circuit and data communication device

    • Patent number 7,016,423
    • Issue date Mar 21, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Phase comparator and clock recovery circuit

    • Patent number 6,853,223
    • Issue date Feb 8, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Input circuit and output circuit

    • Patent number 6,829,316
    • Issue date Dec 7, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Yutaka Terada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Clock extraction device

    • Patent number 6,735,710
    • Issue date May 11, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data width corrector

    • Patent number 6,690,217
    • Issue date Feb 10, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Driver circuit for differentially outputting data from internal cir...

    • Patent number 6,686,779
    • Issue date Feb 3, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data transmitter

    • Patent number 6,542,552
    • Issue date Apr 1, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data processor and data processing system with internal memories

    • Patent number 6,393,520
    • Issue date May 21, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Multiphase clock generator and selector circuit

    • Patent number 6,392,462
    • Issue date May 21, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data transmitter

    • Patent number 6,323,756
    • Issue date Nov 27, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Serial-to-parallel converter

    • Patent number 6,198,415
    • Issue date Mar 6, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Data memory apparatus forming memory map having areas with differen...

    • Patent number 6,199,150
    • Issue date Mar 6, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Skew compensation device

    • Patent number 6,157,229
    • Issue date Dec 5, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Semiconductor memory and memory system

    • Patent number 6,151,268
    • Issue date Nov 21, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    PHASE CONTROL DEVICE AND DATA COMMUNICATION SYSTEM USING IT

    • Publication number 20100283525
    • Publication date Nov 11, 2010
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    RECEIVER CIRCUIT AND DATA TRANSMISSION SYSTEM

    • Publication number 20100167678
    • Publication date Jul 1, 2010
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    PHASE COMPARATOR AND REGULATION CIRCUIT

    • Publication number 20090262876
    • Publication date Oct 22, 2009
    • Yukio Arima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Receiver circuit

    • Publication number 20080315911
    • Publication date Dec 25, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Receiver circuit

    • Publication number 20070115025
    • Publication date May 24, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Clock recovery circuit

    • Publication number 20070041483
    • Publication date Feb 22, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Toru Iwata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Symbol position detection device and symbol position detection method

    • Publication number 20060129318
    • Publication date Jun 15, 2006
    • Yuji Mizuguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Resynchronization circuit

    • Publication number 20050237822
    • Publication date Oct 27, 2005
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Hisanori Yuki
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Frequency modulation circuit

    • Publication number 20050135505
    • Publication date Jun 23, 2005
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Input circuit and output circuit

    • Publication number 20050094426
    • Publication date May 5, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Yutaka Terada
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Low-pass filter for a pll, phase-locked loop and semiconductor inte...

    • Publication number 20050077955
    • Publication date Apr 14, 2005
    • Shiro Dosho
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Data transmitting/receiving device

    • Publication number 20040179638
    • Publication date Sep 16, 2004
    • Matsuhita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Driver circuit

    • Publication number 20040145392
    • Publication date Jul 29, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Receiver circuit

    • Publication number 20040105517
    • Publication date Jun 3, 2004
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Phase comparator and clock recovery circuit

    • Publication number 20030169836
    • Publication date Sep 11, 2003
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Driver circuit

    • Publication number 20030042940
    • Publication date Mar 6, 2003
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Signal detector

    • Publication number 20020172196
    • Publication date Nov 21, 2002
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Yoshihide Komatsu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Data width corrector

    • Publication number 20020172299
    • Publication date Nov 21, 2002
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Takefumi Yoshikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Driver circuit and data communication device

    • Publication number 20020106031
    • Publication date Aug 8, 2002
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Tsuyoshi Ebuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Clock recovery circuit

    • Publication number 20020097826
    • Publication date Jul 25, 2002
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Toru Iwata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multiphase clock generator and selector circuit

    • Publication number 20010030565
    • Publication date Oct 18, 2001
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Tsuyoshi Ebuchi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DATA PROCESSOR AND DATA PROCESSING SYSTEM WITH INTERNAL MEMORIES

    • Publication number 20010011326
    • Publication date Aug 2, 2001
    • TAKEFUMI YOSHIKAWA
    • G06 - COMPUTING CALCULATING COUNTING