Patents by Inventor Shoichi ARIMA

Shoichi ARIMA 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).

  • Core-shell type particle, dispersion and powder
    Patent number: 11859075
    Abstract: A core-shell particle including a core containing a perfluoropolymer and a shell containing a non-fluorine resin, the core having a periphery coated with the non-fluorine resin at a coverage of 90% or more, the perfluoropolymer being a polymer containing a polymerized unit based on a perfluoro monomer in an amount of 90 mol % or more relative to all polymerized units, and the shell having a mass of 50 or less relative to a total mass of the core and the shell of 80. Also disclosed is a method for producing the core-shell particle.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: January 2, 2024
    Assignees: DAIKIN INDUSTRIES, LTD., NISSIN CHEMICAL INDUSTRY CO., LTD
    Inventors: Katsuhide Ohtani, Masamichi Sukegawa, Kazuhiro Yamamura, Shoichi Arima, Takeshi Fukuzumi, Yuji Gama
  • CORE-SHELL TYPE PARTICLE, DISPERSION AND POWDER
    Publication number: 20210070974
    Abstract: A core-shell particle including a core containing a perfluoropolymer and a shell containing a non-fluorine resin, the core having a periphery coated with the non-fluorine resin at a coverage of 90% or more, the perfluoropolymer being a polymer containing a polymerized unit based on a perfluoro monomer in an amount of 90 mol % or more relative to all polymerized units, and the shell having a mass of 50 or less relative to a total mass of the core and the shell of 80. Also disclosed is a method for producing the core-shell particle.
    Type: Application
    Filed: December 13, 2018
    Publication date: March 11, 2021
    Applicants: DAIKIN INDUSTRIES, LTD., NISSIN CHEMICAL INDUSTRY CO., LTD.
    Inventors: Katsuhide OHTANI, Masamichi SUKEGAWA, Kazuhiro YAMAMURA, Shoichi ARIMA, Takeshi FUKUZUMI, Yuji GAMA