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Yoshiaki Kumamoto

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rubber composition
    • Patent number 11,136,416
    • Issue date Oct 5, 2021
    • Kao Corporation
    • Yutaka Yoshida
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Viscous water-based composition
    • Patent number 10,961,425
    • Issue date Mar 30, 2021
    • Kao Corporation
    • Yutaka Yoshida
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Modified cellulose fibers
    • Patent number 10,906,993
    • Issue date Feb 2, 2021
    • Kao Corporation
    • Yutaka Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Micro cellulose fiber complex
    • Patent number 10,781,552
    • Issue date Sep 22, 2020
    • Kao Corporation
    • Kyohei Yamato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Resin composition
    • Patent number 10,738,169
    • Issue date Aug 11, 2020
    • Kao Corporation
    • Yutaka Yoshida
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Micro cellulose fiber complex
    • Patent number 10,266,968
    • Issue date Apr 23, 2019
    • Kao Corporation
    • Kyohei Yamato
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Polyester resin composition
    • Patent number 10,093,798
    • Issue date Oct 9, 2018
    • Kao Corporation
    • Masahiro Mori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Composite material
    • Patent number 9,243,128
    • Issue date Jan 26, 2016
    • Kao Corporation
    • Yoshiaki Kumamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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

    Gas barrier material
    • Patent number 8,029,896
    • Issue date Oct 4, 2011
    • Kao Corporation
    • Yoshiaki Kumamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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 body
    • Patent number 7,077,933
    • Issue date Jul 18, 2006
    • Kao Corporation
    • Kenichi Otani
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • 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

    Mold for papermaking
    • Patent number 6,860,461
    • Issue date Mar 1, 2005
    • Kao Corporation
    • Kenichi Otani
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • 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

    Disposable brush
    • Patent number 6,810,553
    • Issue date Nov 2, 2004
    • Kao Corporation
    • Kazuya Otsuji
    • A46 - BRUSHWARE
  • Information Patent Grant

    Method for producing pulp molded article
    • Patent number 6,645,348
    • Issue date Nov 11, 2003
    • 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
  • Information Patent Grant

    Method of manufacturing pulp molded product
    • Patent number 6,468,398
    • Issue date Oct 22, 2002
    • Kao Corporation
    • Yoshiaki Kumamoto
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of manufacturing pulp mold formed product
    • Patent number 6,461,480
    • Issue date Oct 8, 2002
    • Kao Corporation
    • Shinji Otakura
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Absorbent articles
    • Patent number 5,804,518
    • Issue date Sep 8, 1998
    • Kao Corporation
    • Yoshihiro Sakai
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR PRODUCING MODIFIED CELLULOSE FIBER, AND MODIFIED...
    • Publication number 20210230795
    • Publication date Jul 29, 2021
    • KAO CORPORATION
    • Yutaka YOSHIDA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING MODIFIED CELLULOSE FIBER
    • Publication number 20210130499
    • Publication date May 6, 2021
    • KAO CORPORATION
    • Shotaro Shibata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING MODIFIED CELLULOSE FIBERS
    • Publication number 20200048373
    • Publication date Feb 13, 2020
    • KAO CORPORATION
    • Shotaro Shibata
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    MICRO CELLULOSE FIBER COMPLEX
    • Publication number 20190194831
    • Publication date Jun 27, 2019
    • KAO CORPORATION
    • Kyohei YAMATO
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    MODIFIED CELLULOSE FIBER
    • Publication number 20190185587
    • Publication date Jun 20, 2019
    • KAO CORPORATION
    • Yutaka YOSHIDA
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    MODIFIED CELLULOSE FIBERS
    • Publication number 20190169314
    • Publication date Jun 6, 2019
    • KAO CORPORATION
    • Yutaka YOSHIDA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RESIN COMPOSITION
    • Publication number 20190023859
    • Publication date Jan 24, 2019
    • KAO CORPORATION
    • Yutaka YOSHIDA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MODIFIED CELLULOSE FIBERS
    • Publication number 20190010253
    • Publication date Jan 10, 2019
    • KAO CORPORATION
    • Yutaka YOSHIDA
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    RUBBER COMPOSITION
    • Publication number 20180244806
    • Publication date Aug 30, 2018
    • KAO CORPORATION
    • Yutaka YOSHIDA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VISCOUS WATER-BASED COMPOSITION
    • Publication number 20180118991
    • Publication date May 3, 2018
    • KAO CORPORATION
    • Yutaka YOSHIDA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    MICRO CELLULOSE FIBER COMPLEX
    • Publication number 20160340827
    • Publication date Nov 24, 2016
    • KAO CORPORATION
    • Kyohei YAMATO
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    MICRO CELLULOSE FIBER COMPLEX
    • Publication number 20160319467
    • Publication date Nov 3, 2016
    • KAO CORPORATION
    • Kyohei YAMATO
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    POLYESTER RESIN COMPOSITION
    • Publication number 20150011685
    • Publication date Jan 8, 2015
    • KAO CORPORATION
    • Masahiro Mori
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    COMPOSITE MATERIAL
    • Publication number 20120283363
    • Publication date Nov 8, 2012
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MEMBRANE STRUCTURE, PROCESS FOR MAKING MEMBRANE STRUCTURE, AND AQUE...
    • Publication number 20120237761
    • Publication date Sep 20, 2012
    • KAO CORPORATION
    • Kenta Mukai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SUSPENSION OF CELLULOSE FIBERS AND METHOD FOR PRODUCING THE SAME
    • Publication number 20120000392
    • Publication date Jan 5, 2012
    • THE UNIVERSITY OF TOKYO
    • Kenta Mukai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    GAS BARRIER MOLDED ARTICLE AND METHOD FOR PRODUCING THE SAME
    • Publication number 20110281487
    • Publication date Nov 17, 2011
    • KAO CORPORATION
    • Kenta Mukai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SUSPENSION OF CELLULOSE FIBERS, FILM AND METHOD FOR PRODUCING THE SAME
    • Publication number 20110262731
    • Publication date Oct 27, 2011
    • KAO CORPORATION
    • Kenta Mukai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    GAS BARRIER MATERIAL
    • Publication number 20100316863
    • Publication date Dec 16, 2010
    • KAO CORPORATION
    • Yoshiaki Kumamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • 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

    Warming tool
    • Publication number 20060276863
    • Publication date Dec 7, 2006
    • KAO CORPORATION
    • 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