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Mayumi Yamamoto

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  • Osaka, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    SEALED BATTERY
    • Publication number 20150140417
    • Publication date May 21, 2015
    • Hitachi Maxell, Ltd.
    • Hiroshi Matsumoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEALED BATTERY
    • Publication number 20130330580
    • Publication date Dec 12, 2013
    • HITACHI MAXELL, LTD.
    • Mayumi Yamamoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEALED BATTERY
    • Publication number 20130230752
    • Publication date Sep 5, 2013
    • Hitachi Maxell, Ltd.
    • Yoshihisa Fujihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Sealed prismatic battery
    • Publication number 20050136325
    • Publication date Jun 23, 2005
    • Hitachi Maxell, Ltd.
    • Yoshihisa Fujihara
    • H01 - BASIC ELECTRIC ELEMENTS