Patents by Inventor Ryohei HAMANO

Ryohei HAMANO 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: 20230312880
    Abstract: A particulate composition contains ?-alumina particles, and water-absorbing polymer particles. The content of the water-absorbing polymer particles is 2 parts by mass or more and 60 parts by mass or less with respect to 100 parts by mass of the ?-alumina particles, and the content of the ?-alumina particles in the particulate composition is 50% by mass or more.
    Type: Application
    Filed: October 22, 2021
    Publication date: October 5, 2023
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Toshiyuki IKOMA, Ryohei HAMANO, Norifumi AZUMA, Kousuke UOE, Kazuo SADAOKA
  • Publication number: 20200399488
    Abstract: A particle composition according to the present invention contains: hydraulic alumina particles; and a water-absorbing polymer.
    Type: Application
    Filed: February 25, 2019
    Publication date: December 24, 2020
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Toshiyuki IKOMA, Ryohei HAMANO, Satoshi YOKOI, Norifumi AZUMA, Kousuke UOE