Patents by Inventor Naoko NISIKITA

Naoko NISIKITA 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).

  • FLEXIBLE POLYURETHANE FOAM, AUTOMOBILE SEAT PAD, AND FLEXIBLE POLYURETHANE FOAM PRODUCTION METHOD
    Publication number: 20210230424
    Abstract: Provided is a flexible polyurethane foam having high hardness required for weight reduction of members and having low stress relaxation. A flexible polyurethane foam comprises a structural protein fiber having a length of 0.1 mm to 5 mm.
    Type: Application
    Filed: July 5, 2019
    Publication date: July 29, 2021
    Applicants: BRIDGESTONE CORPORATION, SPIBER INC.
    Inventors: Koji SANEFUJI, Hideharu SEGUCHI, Toshiki TAKIZAWA, Naoko NISIKITA