Patents by Inventor Toshiki NAGAHATA

Toshiki NAGAHATA 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).

  • Polyarylate resin composition and molded article using the same
    Patent number: 11932758
    Abstract: The present invention provides a polyarylate resin composition sufficiently excellent in heat resistance, transparency, heat discoloration resistance and moist heat resistance, and a molded article made of the same. The present invention relates to a polyarylate resin composition containing 0.005˜5 parts by mass of a silane compound (C) with a boiling point of 200° C. or more, based on 100 parts by mass of the total of a polyarylate resin (A) and a polycarbonate resin (B), a content ratio of the polyarylate resin (A) and the polycarbonate resin (B) being 5/95 to 95/5 (mass ratio).
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: March 19, 2024
    Assignee: UNITIKA LTD.
    Inventors: Toshiki Nagahata, Takatoshi Murakami
  • POLYARYLATE RESIN COMPOSITION AND MOLDED ARTICLE USING THE SAME
    Publication number: 20220073731
    Abstract: The present invention provides a polyarylate resin composition sufficiently excellent in heat resistance, transparency, heat discoloration resistance and moist heat resistance, and a molded article made of the same. The present invention relates to a polyarylate resin composition containing 0.005˜5 parts by mass of a silane compound (C) with a boiling point of 200° C. or more, based on 100 parts by mass of the total of a polyarylate resin (A) and a polycarbonate resin (B), a content ratio of the polyarylate resin (A) and the polycarbonate resin (B) being 5/95 to 95/5 (mass ratio).
    Type: Application
    Filed: February 12, 2020
    Publication date: March 10, 2022
    Applicant: UNITIKA LTD.
    Inventors: Toshiki NAGAHATA, Takatoshi MURAKAMI