Patents by Inventor Tokue Tsutsumi

Tokue Tsutsumi 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: 11473236
    Abstract: A soil-resistant fiber fabric having excellent water/oil repellency and excellent soil dirt resistance is obtained by fixing colloidal silica to a fiber fabric, and by subsequently treating the fiber fabric with a water/oil repellent fluorine compound, thereby having the water/oil repellent fluorine compound adhere to a surface of the fiber fabric.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: October 18, 2022
    Assignees: TB KAWASHIMA CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kohei Ohara, Takayuki Oishi, Tatsuya Fukui, Kyoko Hatta, Yoshiko Murata, Tokue Tsutsumi, Yuichi Miyake
  • Publication number: 20200248399
    Abstract: A soil-resistant fiber fabric having excellent water/oil repellency and excellent soil dirt resistance is obtained by fixing colloidal silica to a fiber fabric, and by subsequently treating the fiber fabric with a water/oil repellent fluorine compound, thereby having the water/oil repellent fluorine compound adhere to a surface of the fiber fabric.
    Type: Application
    Filed: October 11, 2018
    Publication date: August 6, 2020
    Inventors: Kohei Ohara, Takayuki Oishi, Tatsuya Fukui, Kyoko Hatta, Yoshiko Murata, Tokue Tsutsumi, Yuichi Miyake