TREA

Takayuki Umebayashi

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Alkaline dry battery
    • Patent number 7,405,023
    • Issue date Jul 29, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Mitsuji Adachi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Alkali dry cell
    • Patent number 7,326,496
    • Issue date Feb 5, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Takayuki Umebayashi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Alkaline dry cell
    • Publication number 20040258994
    • Publication date Dec 23, 2004
    • Mitsuji Adachi
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    Alkali dry cell
    • Publication number 20040209167
    • Publication date Oct 21, 2004
    • Takayuki Umebayashi
    • H01 - BASIC ELECTRIC ELEMENTS