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Seiichi Iwao

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  • Shiga, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power transmission device for noncontact power supply device
    • Patent number 11,631,997
    • Issue date Apr 18, 2023
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroyasu Kitamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric apparatus unit
    • Patent number 10,893,922
    • Issue date Jan 19, 2021
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Tadanobu Kitagawa
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Non-contact power supply device
    • Patent number 10,512,528
    • Issue date Dec 24, 2019
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Mami Tsutsui
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contactless power transmission system
    • Patent number 8,258,653
    • Issue date Sep 4, 2012
    • Panasonic Corporation
    • Hiroyasu Kitamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply circuit and power supply system
    • Patent number 8,031,490
    • Issue date Oct 4, 2011
    • Panasonic Electric Works Co., Ltd.
    • Hiroyasu Kitamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply with novel common mode filter arrangement
    • Patent number 7,088,596
    • Issue date Aug 8, 2006
    • Matsushita Electric Works, Ltd.
    • Mikihiro Yamashita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Noncontact transformer
    • Patent number 6,859,126
    • Issue date Feb 22, 2005
    • Matsushita Electric Works, Ltd.
    • Seiichi Iwao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Non-contact transformer
    • Patent number 6,794,975
    • Issue date Sep 21, 2004
    • Matsushita Electric Works, Ltd.
    • Seiichi Iwao
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    NONCONTACT POWER SUPPLY DEVICE AND CONTROL DEVICE THEREFOR
    • Publication number 20220399756
    • Publication date Dec 15, 2022
    • Panasonic Intellectual Property Management Co., Ltd.
    • Norihiro IWAMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    NONCONTACT POWER SUPPLY DEVICE AND CONTROL DEVICE THEREFOR
    • Publication number 20180090997
    • Publication date Mar 29, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • Norihiro IWAMURA
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    NON-CONTACT POWER SUPPLY DEVICE
    • Publication number 20180085206
    • Publication date Mar 29, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • Mami TSUTSUI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    POWER TRANSMISSION DEVICE FOR NONCONTACT POWER SUPPLY DEVICE
    • Publication number 20180090996
    • Publication date Mar 29, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • Hiroyasu KITAMURA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC APPARATUS UNIT
    • Publication number 20180021117
    • Publication date Jan 25, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • Tadanobu KITAGAWA
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    ELECTRIC TOOTHBRUSH
    • Publication number 20140096332
    • Publication date Apr 10, 2014
    • PANASONIC CORPORATION
    • Tadanobu Kitagawa
    • A46 - BRUSHWARE
  • Information Patent Application

    RECHARGEABLE ELECTRIC DEVICE
    • Publication number 20130169217
    • Publication date Jul 4, 2013
    • PANASONIC CORPORATION
    • Kazunori Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CONTACTLESS POWER TRANSMISSION SYSTEM
    • Publication number 20100187912
    • Publication date Jul 29, 2010
    • Panasonic Electric Works Co., Ltd.
    • Hiroyasu KITAMURA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER SUPPLY CIRCUIT AND POWER SUPPLY SYSTEM
    • Publication number 20100177537
    • Publication date Jul 15, 2010
    • Panasonic Electric Works Co., Ltd.
    • Hiroyasu Kitamura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    SHAVER CLEANER AND SHAVER SYSTEM
    • Publication number 20090282693
    • Publication date Nov 19, 2009
    • Panasonic Electric Works Co., Ltd.
    • Hiroyasu Kitamura
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    Switching power supply device
    • Publication number 20040218407
    • Publication date Nov 4, 2004
    • Matsushita Electric Works, Ltd.
    • Mikihiro Yamashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Non-contact transformer
    • Publication number 20030058075
    • Publication date Mar 27, 2003
    • MATSUSHITA ELECTRIC WORKS, Ltd.
    • Seiichi Iwao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Noncontact transformer
    • Publication number 20030052764
    • Publication date Mar 20, 2003
    • MATSUSHITA ELECTRIC WORKS, Ltd.
    • Seiichi Iwao
    • H01 - BASIC ELECTRIC ELEMENTS