Patents by Inventor Akiko JITSUHIRO

Akiko JITSUHIRO 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).

  • Patent number: 11891494
    Abstract: Disclosed is an additive for imparting antimicrobial properties to a resin. The additive comprises a string polymer, at least one terminal of which has a positive charge, wherein the string polymer is a polymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond. By using this additive, it becomes possible to obtain an antibacterial resin molded body which can be prepared simply and inexpensively and which has high stability and safety.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: February 6, 2024
    Assignee: KIRIN HOLDINGS KABUSHIKI KAISHA
    Inventors: Toshikazu Tsuji, Hideki Koizumi, Akiko Jitsuhiro, Yuki Konoeda, Atsushi Hotta, Tomoki Maeda
  • Publication number: 20210363323
    Abstract: Disclosed is an additive for imparting antimicrobial properties to a resin. The additive comprises a string polymer, at least one terminal of which has a positive charge, wherein the string polymer is a polymer containing structural units derived from a cationic polymerization initiator and a monomer containing a carbon-carbon double bond. By using this additive, it becomes possible to obtain an antibacterial resin molded body which can be prepared simply and inexpensively and which has high stability and safety.
    Type: Application
    Filed: April 25, 2019
    Publication date: November 25, 2021
    Applicant: KIRIN HOLDINGS KABUSHIKI KAISHA
    Inventors: Toshikazu TSUJI, Hideki KOIZUMI, Akiko JITSUHIRO, Yuki KONOEDA, Atsushi HOTTA, Tomoki MAEDA