Patents by Inventor Masako Shigesawa

Masako Shigesawa 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 COMPOSITION
    Publication number: 20130030080
    Abstract: There is provided a dental composition comprising at least one kind of filler and resin matrix, wherein the at least one kind of filler comprises a population of particles, wherein the population of particles has an average particle size from 110 to 500 ?m, the maximum particle size of the population of particles is less than 1.4 times the average particle size, and the D30 of particle size distribution of the population of particles is no less than 0.9 times the average particle size.
    Type: Application
    Filed: August 26, 2011
    Publication date: January 31, 2013
    Inventors: Yusei Kadobayashi, Masako Shigesawa, Keiji Takahashi