Patents by Inventor So ISHIZUKA

So ISHIZUKA 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).

  • Dental photopolymerizable composition and photopolymerization initiator
    Patent number: 10639244
    Abstract: A single-component dental photopolymerizable composition is provided that includes a (meth)acrylate compound, a vanadium compound, an ?-diketone compound, and a tertiary aromatic amine compound.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: May 5, 2020
    Assignee: GC Corporation
    Inventors: So Ishizuka, Yusuke Sakaguchi, Naofumi Matsumoto
  • DENTAL PHOTOPOLYMERIZABLE COMPOSITION AND PHOTOPOLYMERIZATION INITIATOR
    Publication number: 20190142704
    Abstract: A single-component dental photopolymerizable composition is provided that includes a (meth)acrylate compound, a vanadium compound, an ?-diketone compound, and a tertiary aromatic amine compound.
    Type: Application
    Filed: October 31, 2018
    Publication date: May 16, 2019
    Inventors: So ISHIZUKA, Yusuke SAKAGUCHI, Naofumi MATSUMOTO
  • Polymerizable composition and kit for polymerizable composition
    Patent number: 10064789
    Abstract: A polymerizable composition includes at least one of an acrylate compound and a methacrylate compound; a barbiturate compound; an amino carboxylic acid-based chelating agent; a peroxy compound; and filler.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: September 4, 2018
    Assignee: GC Corporation
    Inventors: Naofumi Matsumoto, So Ishizuka, Mika Wako
  • Two-paste polymerizable compostion
    Patent number: 9844494
    Abstract: Provided is a polymerizable composition hardly having oxygen inhibition layer by polymerization under an oxygen environment, including a first paste including (a) a (meth)acrylate compound, (b) at least one of an aromatic sulfinic acid and a salt thereof, and (c) an acidic compound; and a second paste including (a) a (meth)acrylate compound, (d) an organic metal compound, and (e) an organic halogen compound, wherein at least either one of the first paste and the second paste includes (f) a filler.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: December 19, 2017
    Assignee: GC CORPORATION
    Inventors: So Ishizuka, Naofumi Matsumoto
  • TWO-PASTE POLYMERIZABLE COMPOSTION
    Publication number: 20170014311
    Abstract: Provided is a polymerizable composition hardly having oxygen inhibition layer by polymerization under an oxygen environment, including a first paste including (a) a (meth)acrylate compound, (b) at least one of an aromatic sulfinic acid and a salt thereof, and (c) an acidic compound; and a second paste including (a) a (meth)acrylate compound, (d) an organic metal compound, and (e) an organic halogen compound, wherein at least either one of the first paste and the second paste includes (f) a filler.
    Type: Application
    Filed: March 6, 2015
    Publication date: January 19, 2017
    Inventors: So ISHIZUKA, Naofumi MATSUMOTO
  • POLYMERIZABLE COMPOSITION AND KIT FOR POLYMERIZABLE COMPOSITION
    Publication number: 20160213577
    Abstract: A polymerizable composition includes at least one of an acrylate compound and a methacrylate compound; a barbiturate compound; an amino carboxylic acid-based chelating agent; a peroxy compound; and filler.
    Type: Application
    Filed: September 11, 2014
    Publication date: July 28, 2016
    Applicant: GC CORPORATION
    Inventors: Naofumi MATSUMOTO, So ISHIZUKA, Mika WAKO