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Masataka Ishikawa

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  • Haga-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nanofiber laminate sheet
    • Patent number 9,125,811
    • Issue date Sep 8, 2015
    • Kao Corporation
    • Takehiko Tojo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Nanofiber sheet
    • Patent number 8,642,172
    • Issue date Feb 4, 2014
    • Kao Corporation
    • Takehiko Tojo
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Warming tool in a sheet form
    • Patent number 8,256,412
    • Issue date Sep 4, 2012
    • Kao Corporation
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Warming tool
    • Patent number 8,197,526
    • Issue date Jun 12, 2012
    • Kao Corporation
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Article formed into sheet, method for producing the same and exothe...
    • Patent number 8,084,139
    • Issue date Dec 27, 2011
    • Kao Corporation
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Molded sheet
    • Patent number 7,749,357
    • Issue date Jul 6, 2010
    • Kao Corporation
    • Yoshiaki Kumamoto
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method for producing heat-generating formed product
    • Patent number 7,625,464
    • Issue date Dec 1, 2009
    • Kao Corporation
    • Kunio Matsui
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Formed body
    • Patent number 7,370,788
    • Issue date May 13, 2008
    • Kao Corporation
    • Kenichi Otani
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Warming device
    • Patent number 7,353,820
    • Issue date Apr 8, 2008
    • Kao Corporation
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Pulp molded container
    • Patent number 7,048,975
    • Issue date May 23, 2006
    • Kao Corporation
    • Takehiko Tojo
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Heat-generative, steam generation sheet for face
    • Patent number 6,974,470
    • Issue date Dec 13, 2005
    • Kao Corporation
    • Satoshi Tsunakawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for producing pulp molded article
    • Patent number 6,841,041
    • Issue date Jan 11, 2005
    • Kao Corporation
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for producing pulp molded article
    • Patent number 6,830,658
    • Issue date Dec 14, 2004
    • Kao Corporation
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of manufacturing pulp mold formed product
    • Patent number 6,547,931
    • Issue date Apr 15, 2003
    • Kao Corporation
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Pulp molded article
    • Patent number 6,521,085
    • Issue date Feb 18, 2003
    • Kao Corporation
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    SANITARY MASK SHEET
    • Publication number 20240081438
    • Publication date Mar 14, 2024
    • KAO CORPORATION
    • Tomoyuki MOTEGI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    NANOFIBER LAMINATE SHEET
    • Publication number 20130142852
    • Publication date Jun 6, 2013
    • KAO CORPORATION
    • Takehiko Tojo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NANOFIBER
    • Publication number 20130125912
    • Publication date May 23, 2013
    • KAO CORPORATION
    • Takehiko Tojo
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    NANOFIBER LAMINATE SHEET
    • Publication number 20130122069
    • Publication date May 16, 2013
    • KAO CORPORATION
    • Takehiko Tojo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    NANOFIBER SHEET
    • Publication number 20110259518
    • Publication date Oct 27, 2011
    • KAO CORPORATION
    • Takehiko Tojo
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    METHOD FOR ATTACHING NANOFIBER SHEET
    • Publication number 20110256397
    • Publication date Oct 20, 2011
    • KAO CORPORATION
    • Takehiko Tojo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    HEAT GENERATING ELEMENT AND PRECURSOR THEREOF
    • Publication number 20090101867
    • Publication date Apr 23, 2009
    • KAO CORPORATION
    • Masataka Ishikawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Article Formed Into Sheet, Method for Producing the Same and Exothe...
    • Publication number 20080292879
    • Publication date Nov 27, 2008
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Warming tool in a sheet form
    • Publication number 20070020412
    • Publication date Jan 25, 2007
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Molded sheet
    • Publication number 20060151136
    • Publication date Jul 13, 2006
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Heat-generative, steam generation sheet for face
    • Publication number 20050192653
    • Publication date Sep 1, 2005
    • KAO CORPORATION
    • Satoshi Tsunakawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Warming device
    • Publication number 20050028806
    • Publication date Feb 10, 2005
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Method for producing heat-generating formed product
    • Publication number 20050000827
    • Publication date Jan 6, 2005
    • Kunio Matsui
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Molded pulp product, and method and apparatus for production thereof
    • Publication number 20040045690
    • Publication date Mar 11, 2004
    • Keiji Eto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Multilayered molded container
    • Publication number 20040043168
    • Publication date Mar 4, 2004
    • Masataka Ishikawa
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Method for producing pulp molded article
    • Publication number 20030145968
    • Publication date Aug 7, 2003
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Method for producing pulp molded article
    • Publication number 20030121635
    • Publication date Jul 3, 2003
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Method for producing pulp molded article
    • Publication number 20010040016
    • Publication date Nov 15, 2001
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE