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Yoshitaka Matsumasa

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  • Chigasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Laminate sheath type battery
    • Patent number 6,743,546
    • Issue date Jun 1, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Masaaki Kaneda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of production of non-aqueous electrolyte battery and seal pl...
    • Patent number 6,132,900
    • Issue date Oct 17, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Yoshizawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Sealed battery
    • Patent number 5,712,056
    • Issue date Jan 27, 1998
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshitaka Matsumasa
    • H01 - BASIC ELECTRIC ELEMENTS