Patents by Inventor Shun NAKANO

Shun NAKANO 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).

  • Method of producing resin modifier, resin modifier, and composite material
    Patent number: 11891501
    Abstract: A method of producing a resin modifier, the method comprising a process of polymerizing an ethylene unsaturated monomer in the presence of a cellulose nanofiber, the cellulose nanofiber being reacted with an amine or a quaternary ammonium salt compound.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: February 6, 2024
    Assignees: TOAGOSEI CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Daisuke Kamiya, Akihiro Gotou, Shun Nakano, Shiroshi Matsuki, Shuji Fujisawa, Tsuguyuki Saito, Ryo Saito
  • DISPERSANT AND POLISHING AGENT COMPOSITION
    Publication number: 20220290008
    Abstract: A dispersant for chemical mechanical polishing that flattens a surface of at least one of an insulating layer and a wiring layer includes a block copolymer (P) having a polymer block A and B. The polymer block A has a structural unit derived from at least one monomer selected from the group consisting of an amide group-containing vinyl monomer and an ester group-containing vinyl monomer, and the polymer block B has a structural unit having an ionic functional group.
    Type: Application
    Filed: June 1, 2022
    Publication date: September 15, 2022
    Applicant: TOAGOSEI CO., LTD.
    Inventors: Akihiro Goto, Sachiko Imura, Shun Nakano, Ryutaro Tsubouchi
  • METHOD OF PRODUCING RESIN MODIFIER, RESIN MODIFIER, AND COMPOSITE MATERIAL
    Publication number: 20220186015
    Abstract: A method of producing a resin modifier, the method comprising a process of polymerizing an ethylene unsaturated monomer in the presence of a cellulose nanofiber, the cellulose nanofiber being reacted with an amine or a quaternary ammonium salt compound.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 16, 2022
    Inventors: Daisuke KAMIYA, Akihiro GOTOU, Shun NAKANO, Shiroshi MATSUKI, Shuji FUJISAWA, Tsuguyuki SAITO, Ryo SAITO