Patents by Inventor Shinko Sato

Shinko Sato 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).

  • Phosphate-based dental investing material
    Patent number: 7442246
    Abstract: In order to produce a dental cast product having the flat surface, by blending a dispersant with a phosphate-based investing material to improve the dispersability of an aggregate powder and a binder powder so as to prevent a agglomeration of the aggregate powder and the binder powder thereby forming a wall surface of an cavity in a mold to be flat, and also to make more various kinds of powders available for the aggregate powder without restriction to quartz, cristobalite and tridymite, the phosphate-based dental investing material comprising a mixed powder including an aggregate powder and a phosphate-based binder powder, and a liquid, with an alkaline metal salt of phosphoric acid being added to at least one of the mixed powder and the liquid.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: October 28, 2008
    Assignee: GC Corporation
    Inventors: Fuminobu Kubo, Shinko Sato, Takayuki Ueno, Haruhiko Horiuchi
  • PHOSPHATE-BASED DENTAL INVESTING MATERIAL
    Publication number: 20070283850
    Abstract: In order to produce a dental cast product having the flat surface, by blending a dispersant with a phosphate-based investing material to improve the dispersability of an aggregate powder and a binder powder so as to prevent a agglomeration of the aggregate powder and the binder powder thereby forming a wall surface of an cavity in a mold to be flat, and also to make more various kinds of powders available for the aggregate powder without restriction to quartz, cristobalite and tridymite, the phosphate-based dental investing material comprising a mixed powder including an aggregate powder and a phosphate-based binder powder, and a liquid, with an alkaline metal salt of phosphoric acid being added to at least one of the mixed powder and the liquid.
    Type: Application
    Filed: June 11, 2007
    Publication date: December 13, 2007
    Applicant: GC Corporation
    Inventors: Fuminobu KUBO, Shinko Sato, Takayuki Ueno, Haruhiko Horiuchi