Patents by Inventor KATSUYA ASAZUMA

KATSUYA ASAZUMA 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).

  • RESIN PELLET, METHOD OF ITS MANUFACTURING, AND MOLDED PRODUCT THEREOF
    Publication number: 20230330897
    Abstract: To provide a resin pellet that is suitable for molding a molded product used in a semiconductor manufacturing apparatus and inherently has high cleanliness, and a molded product including the resin pellets used in a semiconductor manufacturing apparatus. A resin pellet including at least one selected from tetrafluoroethylene homopolymers or copolymers, wherein the evaporation residue after evaporating and drying the extract obtained by dissolving and extracting the fluorine-containing substance contained in or adhering to the resin pellet in a fluorine-containing extractant is 20×10?6 mg/mm2 or less.
    Type: Application
    Filed: August 2, 2021
    Publication date: October 19, 2023
    Applicants: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO. LTD.
    Inventors: HIROMASA YABE, KATSUYA ASAZUMA