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Shuichi Nagai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Encoder including moving plate, irradiator, light receiver and dete...
    • Patent number 12,078,517
    • Issue date Sep 3, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masaru Shiraishi
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Encoder
    • Patent number 11,982,550
    • Issue date May 14, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Encoder using rotatable plate, light source and light receiver
    • Patent number 11,982,551
    • Issue date May 14, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Signal transmission apparatus including semiconductor chips and sig...
    • Patent number 10,297,538
    • Issue date May 21, 2019
    • Panasonic Corporation
    • Osamu Tabata
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signal generation circuit
    • Patent number 10,158,280
    • Issue date Dec 18, 2018
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Signal generation device
    • Patent number 10,153,765
    • Issue date Dec 11, 2018
    • Panasonic Corporation
    • Osamu Tabata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Signal transmission device using electromagnetic resonance coupler
    • Patent number 9,972,587
    • Issue date May 15, 2018
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Songbaek Choe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electromagnetic resonant coupler and high-frequency transmission de...
    • Patent number 9,735,456
    • Issue date Aug 15, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yasufumi Kawai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Resonant coupler
    • Patent number 9,698,461
    • Issue date Jul 4, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Signal reception circuit and isolated signal transmission device
    • Patent number 9,654,098
    • Issue date May 16, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Signal transmission circuit, switching system, and matrix converter
    • Patent number 9,654,097
    • Issue date May 16, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Drive device having first and second switching devices with differe...
    • Patent number 9,634,655
    • Issue date Apr 25, 2017
    • Panasonic Corporation
    • Osamu Tabata
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Signal generating circuit
    • Patent number 9,515,653
    • Issue date Dec 6, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Gate drive circuit
    • Patent number 9,494,964
    • Issue date Nov 15, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yasufumi Kawai
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Drive device
    • Patent number 9,490,797
    • Issue date Nov 8, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Osamu Tabata
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Resonance coupler, transmission apparatus, switching system, and di...
    • Patent number 9,479,074
    • Issue date Oct 25, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Resonance coupler and transmission device
    • Patent number 9,466,421
    • Issue date Oct 11, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yasufumi Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gate drive circuit
    • Patent number 9,438,230
    • Issue date Sep 6, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gate drive circuit
    • Patent number 9,438,231
    • Issue date Sep 6, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor device, switching system, and matrix converter
    • Patent number 9,438,130
    • Issue date Sep 6, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power semiconductor element
    • Patent number 9,406,668
    • Issue date Aug 2, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Resonance coupler
    • Patent number 9,391,353
    • Issue date Jul 12, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Radio-frequency signal reception circuit and isolated signal transm...
    • Patent number 9,362,963
    • Issue date Jun 7, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electromagnetic resonance coupler and transmission apparatus
    • Patent number 9,287,910
    • Issue date Mar 15, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hideaki Fujiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electromagnetic resonance coupler
    • Patent number 9,224,534
    • Issue date Dec 29, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic resonance coupler
    • Patent number 9,184,723
    • Issue date Nov 10, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shuichi Nagai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Electromagnetic resonance coupler
    • Patent number 9,093,973
    • Issue date Jul 28, 2015
    • Panasonic Corporation
    • Shuichi Nagai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Gate drive circuit
    • Patent number 8,866,516
    • Issue date Oct 21, 2014
    • Panasonic Corporation
    • Shuichi Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gate drive circuit
    • Patent number 8,847,663
    • Issue date Sep 30, 2014
    • Panasonic Corporation
    • Shuichi Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Resonance coupler
    • Patent number 8,729,983
    • Issue date May 20, 2014
    • Panasonic Corporation
    • Shuichi Nagai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL ENCODER
    • Publication number 20240302188
    • Publication date Sep 12, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • G01 - MEASURING TESTING
  • Information Patent Application

    ENCODER
    • Publication number 20240200988
    • Publication date Jun 20, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • Masaru SHIRAISHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    ENCODER AND INFORMATION PROCESSING METHOD
    • Publication number 20230375373
    • Publication date Nov 23, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • MASARU SHIRAISHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    ENCODER
    • Publication number 20230358574
    • Publication date Nov 9, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • G01 - MEASURING TESTING
  • Information Patent Application

    ENCODER
    • Publication number 20230160725
    • Publication date May 25, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Shuichi NAGAI
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTROMAGNETIC RESONANCE COUPLER AND GATE DRIVE CIRCUIT USING SAME...
    • Publication number 20210111590
    • Publication date Apr 15, 2021
    • PANASONIC CORPORATION
    • Yasufumi Kawai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    GATE DRIVING CIRCUIT AND POWER SWITCHING SYSTEM
    • Publication number 20200186145
    • Publication date Jun 11, 2020
    • Panasonic Intellectual Property Management Co., Ltd.
    • Shuichi NAGAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SIGNAL TRANSMISSION APPARATUS INCLUDING SEMICONDUCTOR CHIPS AND SIG...
    • Publication number 20170330824
    • Publication date Nov 16, 2017
    • PANASONIC CORPORATION
    • OSAMU TABATA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SIGNAL TRANSMISSION DEVICE USING ELECTROMAGNETIC RESONANCE COUPLER
    • Publication number 20170256507
    • Publication date Sep 7, 2017
    • Panasonic Intellectual Property Management Co., Lt
    • SONGBAEK CHOE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SIGNAL GENERATION DEVICE
    • Publication number 20170230047
    • Publication date Aug 10, 2017
    • PANASONIC CORPORATION
    • OSAMU TABATA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SIGNAL GENERATING CIRCUIT
    • Publication number 20160359482
    • Publication date Dec 8, 2016
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SIGNAL GENERATION CIRCUIT
    • Publication number 20160352122
    • Publication date Dec 1, 2016
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE DEVICE
    • Publication number 20160248413
    • Publication date Aug 25, 2016
    • PANASONIC CORPORATION
    • OSAMU TABATA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    RESONANT COUPLER
    • Publication number 20160226122
    • Publication date Aug 4, 2016
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DRIVE DEVICE
    • Publication number 20160112040
    • Publication date Apr 21, 2016
    • Panasonic Intellectual Property Management Co., Ltd.
    • OSAMU TABATA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    ELECTROMAGNETIC RESONANT COUPLER AND HIGH-FREQUENCY TRANSMISSION DE...
    • Publication number 20160072167
    • Publication date Mar 10, 2016
    • Yasufumi KAWAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RESONANCE COUPLER AND TRANSMISSION DEVICE
    • Publication number 20160065168
    • Publication date Mar 3, 2016
    • Panasonic Intellectual Property Management Co., Ltd.
    • YASUFUMI KAWAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER SEMICONDUCTOR ELEMENT
    • Publication number 20160056150
    • Publication date Feb 25, 2016
    • Panasonic Intellectual Property Management Co., Ltd.
    • Shuichi NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTROMAGNETIC RESONANCE COUPLER AND TRANSMISSION APPARATUS
    • Publication number 20150295599
    • Publication date Oct 15, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • HIDEAKI FUJIWARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SIGNAL RECEPTION CIRCUIT AND ISOLATED SIGNAL TRANSMISSION DEVICE
    • Publication number 20150295574
    • Publication date Oct 15, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    GATE DRIVE CIRCUIT
    • Publication number 20150234417
    • Publication date Aug 20, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • YASUFUMI KAWAI
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    RADIO-FREQUENCY SIGNAL RECEPTION CIRCUIT AND ISOLATED SIGNAL TRANSM...
    • Publication number 20150222306
    • Publication date Aug 6, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    GATE DRIVE CIRCUIT
    • Publication number 20150222264
    • Publication date Aug 6, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    GATE DRIVE CIRCUIT
    • Publication number 20150222263
    • Publication date Aug 6, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE, SWITCHING SYSTEM, AND MATRIX CONVERTER
    • Publication number 20150214853
    • Publication date Jul 30, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SIGNAL TRANSMISSION CIRCUIT, SWITCHING SYSTEM, AND MATRIX CONVERTER
    • Publication number 20150214852
    • Publication date Jul 30, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    RESONANCE COUPLER, TRANSMISSION APPARATUS, SWITCHING SYSTEM, AND DI...
    • Publication number 20150214597
    • Publication date Jul 30, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • SHUICHI NAGAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    RESONANCE COUPLER
    • Publication number 20140218136
    • Publication date Aug 7, 2014
    • PANASONIC CORPORATION
    • Shuichi NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTROMAGNETIC RESONANCE COUPLER
    • Publication number 20140203888
    • Publication date Jul 24, 2014
    • PANASONIC CORPORATION
    • Shuichi NAGAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GATE DRIVE CIRCUIT
    • Publication number 20140049297
    • Publication date Feb 20, 2014
    • PANASONIC CORPORATION
    • Shuichi NAGAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER