Patents by Inventor Satoko MATSUMURA

Satoko MATSUMURA 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).

  • Publication number: 20220380538
    Abstract: Provided is a curable composition that is soluble in various solvents (organic solvents other than highly toxic organic solvents, for example, cyclohexanone) while maintaining excellent low dielectric properties, wherein a film obtained by curing the curable composition has excellent mechanical properties. A curable composition, comprising: a polyphenylene ether having a functional group including an unsaturated carbon bond, which is obtained from raw material phenols including phenols satisfying at least condition 1 (having a hydrogen atom at an ortho position and a para position), and having a slope calculated by a conformation plot of less than 0.6; and at least one of a compound containing at least one maleimide group in one molecule, a triazine-based compound containing at least one thiol group, and crosslinked polystyrene particles.
    Type: Application
    Filed: September 29, 2020
    Publication date: December 1, 2022
    Applicant: TAIYO HOLDINGS CO., LTD.
    Inventors: Mami NOSAKA, Satoko MATSUMURA, Nobuhiro ISHIKAWA
  • Publication number: 20210301129
    Abstract: The present invention provides a poly(phenylene ether) which retains low-dielectric characteristics and is soluble in various solvents. The poly(phenylene ether) is characterized by being obtained from one or more raw-material phenols including a phenol satisfying at least Requirement 1 (to have hydrogen atoms in the ortho and para positions) and by having a slope calculated from a conformational plot of less than 0.6.
    Type: Application
    Filed: July 17, 2019
    Publication date: September 30, 2021
    Applicant: TAIYO HOLDINGS CO., LTD.
    Inventors: Mami NOSAKA, Satoko MATSUMURA, Nobuhiro ISHIKAWA, Toshiaki MASUDA