TREA

Niro Tarumi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Intraocular lens
    • Patent number 5,147,396
    • Issue date Sep 15, 1992
    • Hoya Corporation
    • Mayumi Kageyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Contact lens
    • Patent number 5,008,354
    • Issue date Apr 16, 1991
    • Hoya Corporation
    • Takeyuki Sawamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for making contact lens hydrophilic
    • Patent number 4,892,402
    • Issue date Jan 9, 1990
    • Hoya Corporation
    • Takeyuki Sawamoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Soft contact lens
    • Patent number 4,761,438
    • Issue date Aug 2, 1988
    • Hoya Corporation
    • Shigeo Komiya
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Soft contact lens
    • Patent number 4,650,843
    • Issue date Mar 17, 1987
    • Hoya Lens Corporation
    • Yuuichi Yokoyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    High-hydration contact lens
    • Patent number 4,625,009
    • Issue date Nov 25, 1986
    • Hoya Corporation
    • Tetsuro Izumitani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Plastic lens
    • Patent number 4,528,351
    • Issue date Jul 9, 1985
    • Hoya Lens Corporation
    • Niro Tarumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Lens having a high refractive index with a low dispersion
    • Patent number 4,393,184
    • Issue date Jul 12, 1983
    • Hoya Lens Corporation
    • Niro Tarumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Terpolymer with a high refractive index
    • Patent number 4,373,076
    • Issue date Feb 8, 1983
    • Hoya Lens Corporation
    • Niro Tarumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for marking an indication to the lens
    • Patent number 4,329,378
    • Issue date May 11, 1982
    • Kabushiki Kaisha Hoya Lens (Hoya Lens Corporation)
    • Niro Tarumi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Highly refractive copolymer of an ethylinically unsaturated alkylen...
    • Patent number 4,306,780
    • Issue date Dec 22, 1981
    • Hoya Lens Corporation
    • Niro Tarumi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process of producing soft contact lenses
    • Patent number 4,143,017
    • Issue date Mar 6, 1979
    • Hoya Lens Corporation
    • Niro Tarumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...