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Akihiro NAKAHARA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic device
    • Patent number 10,638,600
    • Issue date Apr 28, 2020
    • Renesas Electronics Corporation
    • Tatsuaki Tsukuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device, and on-vehicle electronic device and automobi...
    • Patent number 10,607,985
    • Issue date Mar 31, 2020
    • Renesas Electronics Corporation
    • Akira Uemura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,031,164
    • Issue date Jul 24, 2018
    • Renesas Electronics Corporation
    • Keita Takada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Load driving device
    • Patent number 9,762,053
    • Issue date Sep 12, 2017
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device, and on-vehicle electronic device and automobi...
    • Patent number 9,673,803
    • Issue date Jun 6, 2017
    • Renesas Electronics Corporation
    • Akira Uemura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Semiconductor device and electric control device
    • Patent number 9,537,303
    • Issue date Jan 3, 2017
    • Renesas Electronics Corporation
    • Makoto Tanaka
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power semiconductor device
    • Patent number 9,503,073
    • Issue date Nov 22, 2016
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power semiconductor device
    • Patent number 8,884,682
    • Issue date Nov 11, 2014
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Current limiting circuit
    • Patent number 8,879,227
    • Issue date Nov 4, 2014
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Load driving device
    • Patent number 8,848,328
    • Issue date Sep 30, 2014
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Comparator circuit
    • Patent number 8,723,555
    • Issue date May 13, 2014
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control apparatus including overcurrent detection circuit
    • Patent number 8,717,727
    • Issue date May 6, 2014
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Load driving device
    • Patent number 8,638,534
    • Issue date Jan 28, 2014
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Load driving device
    • Patent number 8,605,399
    • Issue date Dec 10, 2013
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power semiconductor device and operation method thereof
    • Patent number 8,547,142
    • Issue date Oct 1, 2013
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Current limiting circuit
    • Patent number 8,493,702
    • Issue date Jul 23, 2013
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Power supply control apparatus including overcurrent detection circuit
    • Patent number 8,467,165
    • Issue date Jun 18, 2013
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Load driving device
    • Patent number 8,446,185
    • Issue date May 21, 2013
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Load driving device
    • Patent number 8,390,340
    • Issue date Mar 5, 2013
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control circuit
    • Patent number 8,373,494
    • Issue date Feb 12, 2013
    • Renesas Electronics Corporation
    • Osamu Soma
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control apparatus
    • Patent number 8,351,172
    • Issue date Jan 8, 2013
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Comparator circuit
    • Patent number 8,314,638
    • Issue date Nov 20, 2012
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device including over voltage protection circuit havi...
    • Patent number 8,289,669
    • Issue date Oct 16, 2012
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control apparatus
    • Patent number 8,270,133
    • Issue date Sep 18, 2012
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Comparator circuit
    • Patent number 8,242,809
    • Issue date Aug 14, 2012
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control circuit
    • Patent number 8,242,830
    • Issue date Aug 14, 2012
    • Renesas Electronics Corporation
    • Osamu Soma
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Load driving device
    • Patent number 8,174,808
    • Issue date May 8, 2012
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control circuit including overvoltage protection circuit
    • Patent number 8,116,052
    • Issue date Feb 14, 2012
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power supply control circuit
    • Patent number 8,116,051
    • Issue date Feb 14, 2012
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Load driving device
    • Patent number 8,054,106
    • Issue date Nov 8, 2011
    • Renesas Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20180306844
    • Publication date Oct 25, 2018
    • RENESAS ELECTRONICS CORPORATION
    • Keita TAKADA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20180295715
    • Publication date Oct 11, 2018
    • RENESAS ELECTRONICS CORPORATION
    • Tatsuaki TSUKUDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    INPUT BUFFER, SEMICONDUCTOR DEVICE AND ENGINE CONTROL UNIT
    • Publication number 20180091068
    • Publication date Mar 29, 2018
    • RENESAS ELECTRONICS CORPORATION
    • Naohiro YOSHIMURA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20170346274
    • Publication date Nov 30, 2017
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SEMICONDUCTOR DEVICE, AND ON-VEHICLE ELECTRONIC DEVICE AND AUTOMOBI...
    • Publication number 20170236820
    • Publication date Aug 17, 2017
    • RENESAS ELECTRONICS CORPORATION
    • Akira Uemura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20170089957
    • Publication date Mar 30, 2017
    • RENESAS ELECTRONICS CORPORATION
    • Keita TAKADA
    • G01 - MEASURING TESTING
  • Information Patent Application

    SEMICONDUCTOR DEVICE, POWER CONTROLLING SEMICONDUCTOR DEVICE, ON-VE...
    • Publication number 20160311327
    • Publication date Oct 27, 2016
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEMICONDUCTOR DEVICE, AND ON-VEHICLE ELECTRONIC DEVICE AND AUTOMOBI...
    • Publication number 20160099711
    • Publication date Apr 7, 2016
    • RENESAS ELECTRONICS CORPORATION
    • Akira Uemura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWER SEMICONDUCTOR DEVICE
    • Publication number 20150022247
    • Publication date Jan 22, 2015
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND ELECTRIC CONTROL DEVICE
    • Publication number 20140184183
    • Publication date Jul 3, 2014
    • RENESAS ELECTRONICS CORPORATION
    • Makoto Tanaka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER SEMICONDUCTOR DEVICE
    • Publication number 20140022001
    • Publication date Jan 23, 2014
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro Nakahara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CURRENT LIMITING CIRCUIT
    • Publication number 20130278236
    • Publication date Oct 24, 2013
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER SUPPLY CONTROL APPARATUS INCLUDING OVERCURRENT DETECTION CIRCUIT
    • Publication number 20130258530
    • Publication date Oct 3, 2013
    • Akihiro NAKAHARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    COMPARATOR CIRCUIT
    • Publication number 20130076400
    • Publication date Mar 28, 2013
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER SUPPLY CONTROL APPARATUS
    • Publication number 20120280668
    • Publication date Nov 8, 2012
    • Renesas Electronics Corporation
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    COMPARATOR CIRCUIT
    • Publication number 20120256658
    • Publication date Oct 11, 2012
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    LOAD DRIVING DEVICE
    • Publication number 20120188674
    • Publication date Jul 26, 2012
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power semiconductor device and operation method thereof
    • Publication number 20120098587
    • Publication date Apr 26, 2012
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Load driving device
    • Publication number 20120032707
    • Publication date Feb 9, 2012
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    LOAD DRIVING DEVICE
    • Publication number 20110279152
    • Publication date Nov 17, 2011
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    CURRENT LIMITING CIRCUIT
    • Publication number 20110193541
    • Publication date Aug 11, 2011
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    POWER SUPPLY CONTROL CIRCUIT
    • Publication number 20110163794
    • Publication date Jul 7, 2011
    • Renesas Electronics Corporation
    • Osamu SOMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER SUPPLY CONTROL CIRCUIT
    • Publication number 20110163800
    • Publication date Jul 7, 2011
    • Renesas Electronics Corporation
    • Osamu SOMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER SUPPLY CONTROL APPARATUS
    • Publication number 20110101935
    • Publication date May 5, 2011
    • RENESAS ELECTRONICS CORPORATION
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    LOAD DRIVING DEVICE
    • Publication number 20110101941
    • Publication date May 5, 2011
    • Renesas Electronics Corporation
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    LOAD DRIVING DEVICE
    • Publication number 20110102956
    • Publication date May 5, 2011
    • Renesas Electronics Corporation
    • Akihiro NAKAHARA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power supply control apparatus including overcurrent detection circuit
    • Publication number 20100207605
    • Publication date Aug 19, 2010
    • NEC Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Comparator circuit
    • Publication number 20100207665
    • Publication date Aug 19, 2010
    • NEC Electronics Corporation
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Comparator circuit
    • Publication number 20100207666
    • Publication date Aug 19, 2010
    • NEC ELECTRONICS CORPORATION
    • Akihiro Nakahara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power supply control apparatus including overcurrent detection circuit
    • Publication number 20100208404
    • Publication date Aug 19, 2010
    • NEC Electronics Corporation
    • Akihiro Nakahara
    • G01 - MEASURING TESTING