Patents by Inventor Kouji Matsushige

Kouji Matsushige has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10299897
    Abstract: The dental plate liner includes: a paste (i) containing (A) a (meth)acrylic acid-based polymer, and a fluorine-containing (meth)acrylic acid-based polymerizable monomer in which (A) the (meth)acrylic acid-based polymer has a solubility of less than 20 mass %; and a paste (ii) containing a (meth)acrylic acid-based polymerizable monomer in which (A) the (meth)acrylic acid-based polymer has a solubility of 20 mass % or more, and a filler, in which at least one paste selected from the group consisting of the paste (i) and the paste (ii) contains a polymerization initiator, and in which the dental plate liner is used through mixing of the paste (i) and the paste (ii) immediately before use.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: May 28, 2019
    Assignee: TOKUYAMA DENTAL CORPORATION
    Inventors: Ayumu Gyakushi, Kouji Matsushige
  • Publication number: 20170007378
    Abstract: The dental plate liner includes: a paste (i) containing (A) a (meth)acrylic acid-based polymer, and a fluorine-containing (meth)acrylic acid-based polymerizable monomer in which (A) the (meth)acrylic acid-based polymer has a solubility of less than 20 mass %; and a paste (ii) containing a (meth)acrylic acid-based polymerizable monomer in which (A) the (meth)acrylic acid-based polymer has a solubility of 20 mass % or more, and a filler, in which at least one paste selected from the group consisting of the paste (i) and the paste (ii) contains a polymerization initiator, and in which the dental plate liner is used through mixing of the paste (i) and the paste (ii) immediately before use.
    Type: Application
    Filed: January 6, 2015
    Publication date: January 12, 2017
    Inventors: Ayumu GYAKUSHI, Kouji MATSUSHIGE
  • Patent number: 8883875
    Abstract: Disclosed is a kit for adhesion between an alginate impression material for dental use and an impression tray, which contains: (U) a pretreatment agent that contains (I) 100 parts by mass of an organic solvent that has a solubility parameter (?) of 17.0-23.0 [(MPa)1/2] and (II) 0.1-30 parts by mass of inorganic particles having an average particle diameter of 10 ?m or less; and (V1) an adhesive that contains (I) a polyamine compound that contains two or more amino groups in each molecule and (III) a lower alcohol solvent, or (V2) an adhesive that is obtained by mixing (I) a polyamine compound that contains two or more amino groups in each molecule, (II) an organic peroxide and (III) a lower alcohol solvent.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: November 11, 2014
    Assignee: Tokuyama Dental Corporation
    Inventors: Kouji Matsushige, Makoto Oguri
  • Publication number: 20130068132
    Abstract: Disclosed is a kit for adhesion between an alginate impression material for dental use and an impression tray, which contains: (U) a pretreatment agent that contains (I) 100 parts by mass of an organic solvent that has a solubility parameter (?) of 17.0-23.0 [(MPa)1/2] and (II) 0.1-30 parts by mass of inorganic particles having an average particle diameter of 10 ?m or less; and (V1) an adhesive that contains (I) a polyamine compound that contains two or more amino groups in each molecule and (III) a lower alcohol solvent, or (V2) an adhesive that is obtained by mixing (I) a polyamine compound that contains two or more amino groups in each molecule, (II) an organic peroxide and (III) a lower alcohol solvent.
    Type: Application
    Filed: May 10, 2011
    Publication date: March 21, 2013
    Applicant: TOKUYAMA DENTAL CORPORATION
    Inventors: Kouji Matsushige, Makoto Oguri