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Akihiro Sugiyama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Non-combustion suction device
    • Patent number 11,206,870
    • Issue date Dec 28, 2021
    • Japan Tobacco Inc.
    • Manabu Yamada
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Flash dryer for particulate materials
    • Patent number 8,522,793
    • Issue date Sep 3, 2013
    • Japan Tobacco Inc.
    • Yasuhiro Ohdaka
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Retinal disease analyzer
    • Patent number 6,053,865
    • Issue date Apr 25, 2000
    • Kabushiki Kaisha Topcon
    • Akihiro Sugiyama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Retinal disease analyzer
    • Patent number 5,868,134
    • Issue date Feb 9, 1999
    • Kabushiki Kaisha Topcon
    • Akihiro Sugiyama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Ophthalmological analyzer
    • Patent number 5,867,249
    • Issue date Feb 2, 1999
    • Kabushiki Kaisha Topcon
    • Hiroshi Ichiki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Perimeter
    • Patent number 5,463,431
    • Issue date Oct 31, 1995
    • Kabushiki Kaisha Topcon
    • Takeshi Suzuki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Perimetric instrument
    • Patent number 5,108,170
    • Issue date Apr 28, 1992
    • Kabushiki Kaisha Topcon
    • Akihiro Sugiyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents