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Hiroyuki Nakamura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for removing selenium and apparatus for removing selenium
    • Patent number 10,919,790
    • Issue date Feb 16, 2021
    • MITSUBISHI POWER ENVIRONMENTAL SOLUTIONS, LTD.
    • Susumu Okino
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Wastewater treatment apparatus
    • Patent number 8,562,828
    • Issue date Oct 22, 2013
    • Mitsubishi Heavy Industries, Ltd.
    • Masanori Tabata
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Cationized hydroxyalkylcellulose and process for producing the same
    • Patent number RE38484
    • Issue date Mar 30, 2004
    • Daicel Chemical Industries, Ltd.
    • Hiroyuki Nakamura
    • 536 - Organic compounds
  • Information Patent Grant

    Separating agent
    • Patent number RE38435
    • Issue date Feb 24, 2004
    • Daicel Chemical Industries, Ltd.
    • Yoshio Okamoto
    • 210 - Liquid purification or separation
  • Information Patent Grant

    Cationized hydroxyalkylcellulose and process for producing the same
    • Patent number 6,197,950
    • Issue date Mar 6, 2001
    • Daicel Chemical Industries, Ltd.
    • Hiroyuki Nakamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Separating agent
    • Patent number RE34457
    • Issue date Nov 30, 1993
    • Daicel Chemical Industries, Inc.
    • Yoshio Okamoto
    • 210 - Liquid purification or separation
  • Information Patent Grant

    Resolving agent
    • Patent number 4,846,968
    • Issue date Jul 11, 1989
    • Daicel Chemical Industries, Ltd.
    • Yoichi Yuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Separating agent
    • Patent number 4,818,394
    • Issue date Apr 4, 1989
    • Daicel Chemical Industries, Ltd.
    • Yoshio Okamoto
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Resolving agent
    • Patent number 4,786,416
    • Issue date Nov 22, 1988
    • Daicel Chemical Industries, Ltd.
    • Yoichi Yuki
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Manufacturing method for cellulose ether having high degree of subs...
    • Patent number 4,582,899
    • Issue date Apr 15, 1986
    • Daicel Chemical Industries, Ltd.
    • Hiroyuki Nakamura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR REMOVING SELENIUM AND APPARATUS FOR REMOVING SELENIUM
    • Publication number 20160115053
    • Publication date Apr 28, 2016
    • MITSUBISHI HEAVY INDUSTRIES MECHATRONICS SYSTEMS LTD.
    • Susumu OKINO
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    Wastewater treatment apparatus
    • Publication number 20070170122
    • Publication date Jul 26, 2007
    • Mitsubishi Heavy Industries, Ltd.
    • Masanori Tabata
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE