Patents by Inventor Kyouhei YATA

Kyouhei YATA 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 EXTRUDER, ROTOR-TYPE SCREW, AND RESIN MANUFACTURING METHOD
    Publication number: 20220324152
    Abstract: A resin extruder capable of efficiently improving performance of kneading a resin material is provided. A resin extruder (1) according to one embodiment includes a cylinder (20), and a rotor-type screw (33) that is disposed in the cylinder (20) and kneads a resin material (51). In the rotor-type screw (33), a top part (33b) of a flight (33a) is formed in such a way that a gap between the top part (33b) and an inner surface of the cylinder (20) is changed from a front point to a rear point of the rotor-type screw in a rotation direction in a cross section that is vertical to an axial direction.
    Type: Application
    Filed: August 5, 2020
    Publication date: October 13, 2022
    Inventors: Makoto ISHIKAWA, Kyouhei YATA, Yohei SHIMIZU, Masao KURIHARA