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Hiroki Akashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Backup power supply control system, backup power supply system, and...
    • Patent number 12,184,118
    • Issue date Dec 31, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroki Akashi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Class-D power converter
    • Patent number 12,074,516
    • Issue date Aug 27, 2024
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroki Akashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor module, power semiconductor module, and power electro...
    • Patent number 11,749,578
    • Issue date Sep 5, 2023
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Koji Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power supply
    • Patent number 7,592,792
    • Issue date Sep 22, 2009
    • Panasonic Corporation
    • Takashi Ryu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter and control circuit thereof
    • Patent number 7,550,957
    • Issue date Jun 23, 2009
    • Panasonic Corporation
    • Takuya Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Charge pump circuit
    • Patent number 7,541,859
    • Issue date Jun 2, 2009
    • Panasonic Corporation
    • Hiroki Akashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Step-up converter
    • Patent number 7,482,789
    • Issue date Jan 27, 2009
    • Panasonic Corporation
    • Mikio Motomori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 7,391,199
    • Issue date Jun 24, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Akashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply
    • Patent number 7,294,994
    • Issue date Nov 13, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Ryu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    direct-current power supply and battery-powered electronic apparatu...
    • Patent number 7,274,116
    • Issue date Sep 25, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Manabu Inoue
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current mode switching regulator with predetermined on time
    • Patent number 7,250,746
    • Issue date Jul 31, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Richard K. Oswald
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power amplifying apparatus
    • Patent number 7,239,200
    • Issue date Jul 3, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Takuya Ishii
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    DC-DC converter
    • Patent number 7,075,275
    • Issue date Jul 11, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Mikio Motomori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply utilizing magnetically coupled series inductors
    • Patent number 6,252,782
    • Issue date Jun 26, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Akashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    BACKUP POWER SUPPLY SYSTEM, MOBILE OBJECT, AND BACKUP POWER SUPPLY...
    • Publication number 20240313765
    • Publication date Sep 19, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • HIROKI AKASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    BACKUP POWER SUPPLY SYSTEM, MOBILE OBJECT, BACKUP POWER SUPPLY SYST...
    • Publication number 20240275202
    • Publication date Aug 15, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • Yuta NAGATOMI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BACKUP POWER SUPPLY CONTROL SYSTEM, BACKUP POWER SUPPLY SYSTEM, AND...
    • Publication number 20240106265
    • Publication date Mar 28, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • Hiroki AKASHI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRICAL STORAGE DEVICE CONTROL SYSTEM AND BACKUP POWER SUPPLY SY...
    • Publication number 20240079886
    • Publication date Mar 7, 2024
    • Panasonic Intellectual Property Management Co., Ltd.
    • Kinya KATO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BACKUP POWER SUPPLY SYSTEM AND MOVING VEHICLE
    • Publication number 20230420981
    • Publication date Dec 28, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Yuta NAGATOMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    POWER SUPPLY DEVICE, ACF CONVERTER, AND AC ADAPTER
    • Publication number 20230022728
    • Publication date Jan 26, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • TAKEYA OKUNO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CLASS-D POWER CONVERTER
    • Publication number 20230024780
    • Publication date Jan 26, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • HIROKI AKASHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR MODULE, POWER SEMICONDUCTOR MODULE, AND POWER ELECTRO...
    • Publication number 20220139797
    • Publication date May 5, 2022
    • Panasonic Intellectual Property Management Co., Ltd.
    • Koji TAKAHASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER SUPPLY
    • Publication number 20080290851
    • Publication date Nov 27, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Akashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Supply
    • Publication number 20080273354
    • Publication date Nov 6, 2008
    • Takashi Ryu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CHARGE PUMP CIRCUIT
    • Publication number 20070273430
    • Publication date Nov 29, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Akashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC-DC converter and control circuit thereof
    • Publication number 20070096711
    • Publication date May 3, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Takuya Ishii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC-DC converter
    • Publication number 20070018628
    • Publication date Jan 25, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroki Akashi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Step-up converter
    • Publication number 20060255774
    • Publication date Nov 16, 2006
    • Mikio Motomori
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC-DC converter
    • Publication number 20060214647
    • Publication date Sep 28, 2006
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Makoto Ishimaru
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Power supply
    • Publication number 20060164021
    • Publication date Jul 27, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Ryu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power amplifying apparatus
    • Publication number 20060132231
    • Publication date Jun 22, 2006
    • Takuya Ishii
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Multi-output power supply circuit
    • Publication number 20060131961
    • Publication date Jun 22, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Takuya Ishii
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    DC-DC converter
    • Publication number 20060103332
    • Publication date May 18, 2006
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Mikio Motomori
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Direct-current power supply and battery-powered electronic apparatu...
    • Publication number 20060006850
    • Publication date Jan 12, 2006
    • Manabu Inoue
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Current mode switching regulator with predetermined on time
    • Publication number 20050218877
    • Publication date Oct 6, 2005
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Richard K. Oswald
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER