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Yoshitaka Osawa

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fluorine resin coated article
    • Patent number 5,009,959
    • Issue date Apr 23, 1991
    • Sumitomo Electric Industries Ltd.
    • Nobutaka Matsushita
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Elastomeric optical waveguide with core and cladding imparted with...
    • Patent number 4,783,140
    • Issue date Nov 8, 1988
    • Sumitomo Electric Industries, Ltd.
    • Yoshitaka Osawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Cross-linked optical siloxane polymer
    • Patent number 4,780,510
    • Issue date Oct 25, 1988
    • Sumitomo Electric Industries, Ltd.
    • Takafumi Uemiya
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Optical element integrated optical waveguide and production of the...
    • Patent number 4,762,381
    • Issue date Aug 9, 1988
    • Sumitomo Electric Industries, Ltd.
    • Takafumi Uemiya
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Optical sensor
    • Patent number 4,750,796
    • Issue date Jun 14, 1988
    • Sumitomo Electric Industries, Ltd.
    • Yutaka Shibata
    • G02 - OPTICS
  • Information Patent Grant

    Functional elastomer
    • Patent number 4,656,245
    • Issue date Apr 7, 1987
    • Sumitomo Electric Industries, Ltd.
    • Shinzo Kohjiya
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Flexible membrane material
    • Patent number 4,594,285
    • Issue date Jun 10, 1986
    • Sumitomo Electric Industries, Ltd.
    • Yoshitaka Osawa
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Highly weather-proof high strength tri-axial woven membrane materials
    • Patent number 4,346,139
    • Issue date Aug 24, 1982
    • Sumitomo Electric Industries, Ltd.
    • Yoshitaka Osawa
    • B32 - LAYERED PRODUCTS