Patents by Inventor Ryuji WAKUTA

Ryuji WAKUTA 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).

  • CASTING SAND AND KIT FOR SAND MOLD
    Publication number: 20220402018
    Abstract: Provided is casting sand including sand and a solid acid catalyst mixed with the sand.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 22, 2022
    Applicant: KINSEI MATEC CO., LTD.
    Inventors: Seiichi KOYANAGI, Ryuji WAKUTA, Naoto OOJI, Hiroyuki HAYASHI, Masataka KURIHARA