Patents by Inventor Yugo Kosaka

Yugo Kosaka 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 composite resin for core build-up
    Patent number: 8367745
    Abstract: To provide a dual curing type composite resin for core build-up having improved curing property by chemical polymerization with improved mechanical strength of a cured body under the condition of no light irradiation and with a shortened setting time, the composite resin is composed of a first component including a (meth)acrylate polymerizable resin and an organic peroxide, and a second component including (meth)acrylate polymerizable resin and a reducing agent, a photopolymerizaton initiator and a filler are included in the first component and/or the second component, and oxide powder of a Group II element in the periodic table having an average particle diameter of 1 ?m or less is blended in the first component and/or the second component.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: February 5, 2013
    Assignee: GC Corporation
    Inventors: Yugo Kosaka, Yutaka Shinozaki, Tomohiro Kumagai
  • DENTAL COMPOSITE RESIN FOR CORE BUILD-UP
    Publication number: 20080242756
    Abstract: To provide a dual curing type composite resin for core build-up having improved curing property by chemical polymerization with improved mechanical strength of a cured body under the condition of no light irradiation and with a shortened setting time, the composite resin is composed of a first component including a (meth)acrylate polymerizable resin and an organic peroxide, and a second component including (meth)acrylate polymerizable resin and a reducing agent, a photopolymerizaton initiator and a filler are included in the first component and/or the second component, and oxide powder of a Group II element in the periodic table having an average particle diameter of 1 ?m or less is blended in the first component and/or the second component.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 2, 2008
    Applicant: GC Corporation
    Inventors: Yugo KOSAKA, YUTAKA SHINOZAKI, Tomohiro KUMAGAI