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Akio Yamashita

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  • Kawanishi, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Color display device with dye and synthetic oil solution
    • Patent number 4,039,255
    • Issue date Aug 2, 1977
    • Akio Yamashita
    • G02 - OPTICS
  • Information Patent Grant

    Color display device
    • Patent number 4,003,633
    • Issue date Jan 18, 1977
    • Matsushita Electric Industrial Co., Ltd.
    • Akio Yamashita
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Color display device
    • Patent number 3,963,314
    • Issue date Jun 15, 1976
    • Matsushita Electric Industrial Co., Ltd.
    • Akio Yamashita
    • G02 - OPTICS