Patents by Inventor Tomoki HIRAMOTO

Tomoki HIRAMOTO 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).

  • PIPELINE MEMBER FOR ULTRAPURE WATER AND POLYETHYLENE-BASED RESIN COMPOSITION FOR PIPELINE MEMBER FOR ULTRAPURE WATER
    Publication number: 20230151223
    Abstract: A pipe (10) includes a polyethylene-based resin layer (21) containing a polyethylene-based resin composition as a major component. The polyethylene-based resin layer (21) forms a pipeline member inner surface (10a). The polyethylene-based resin composition has a calcium concentration of 10 ppm or more and 60 ppm or less.
    Type: Application
    Filed: March 9, 2021
    Publication date: May 18, 2023
    Applicants: SEKISUI CHEMICAL CO., LTD., JAPAN POLYETHYLENE CORPORATION
    Inventors: Tomoki YAMADA, Hirotsugu YOSHIDA, Hirotaka TAKANO, Tetsuya YOSHIKIYO, Tomoki HIRAMOTO