Patents by Inventor Shigeru Itayama

Shigeru Itayama 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).

  • Hollow fiber membrane module
    Patent number: D972691
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: December 13, 2022
    Assignee: TOYOBO CO., LTD.
    Inventors: Takahito Nakao, Daiki Kohno, Yoji Abe, Shohei Goda, Shigeru Itayama