Patents by Inventor Azusa MIYAGAWA

Azusa MIYAGAWA 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).

  • ANTIBACTERIAL POLYMER PARTICLES, COMPOSITION, AND ARTICLE
    Publication number: 20220298280
    Abstract: One aspect of the present invention includes, in antibacterial polymer particles, a crosslinked copolymer having a structural unit derived from a monofunctional monomer having an antibacterial group, and a structural unit derived from a polyfunctional monomer. A water absorption capacity of the antibacterial polymer particles is 3 g/g or more.
    Type: Application
    Filed: June 29, 2020
    Publication date: September 22, 2022
    Inventors: Makoto TAKAHASHI, Tomoki KONO, Azusa MIYAGAWA, Yuri FUKUYO
  • Dental curable composition
    Patent number: 10918578
    Abstract: According to one aspect of the present invention, a dental curable composition includes: polymerizable monomers; inorganic particles (A1) and/or inorganic particles (A2) (excluding the inorganic particles (A2); and inorganic particles (B). The inorganic particles (A1) are surface-treated with a compound expressed by a general formula (1) and have a volume-median particle size of greater than or equal to 0.1 ?m and less than or equal to 0.9 ?m. The inorganic particles (A2) are surface-treated with a compound expressed by a general formula (2) and have a volume-median particle size of greater than or equal to 0.1 ?m and less than or equal to 0.9 ?m.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: February 16, 2021
    Assignee: GC Corporation
    Inventors: Takayuki Murata, Takumasa Kimura, Yui Tei, Azusa Miyagawa
  • DENTAL CURABLE COMPOSITION
    Publication number: 20190380918
    Abstract: According to one aspect of the present invention, a dental curable composition includes: polymerizable monomers; inorganic particles (A1) and/or inorganic particles (A2) (excluding the inorganic particles (A2); and inorganic particles (B). The inorganic particles (A1) are surface-treated with a compound expressed by a general formula (1) and have a volume-median particle size of greater than or equal to 0.1 ?m and less than or equal to 0.9 ?m. The inorganic particles (A2) are surface-treated with a compound expressed by a general formula (2) and have a volume-median particle size of greater than or equal to 0.1 ?m and less than or equal to 0.9 ?m.
    Type: Application
    Filed: December 6, 2017
    Publication date: December 19, 2019
    Inventors: Takayuki MURATA, Takumasa KIMURA, Yui TEI, Azusa MIYAGAWA