Patents by Inventor Ritsuo KUMAGAI

Ritsuo KUMAGAI 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).

  • Side shutoff piston valve assembly
    Patent number: 10815111
    Abstract: A side shutoff piston valve assembly for filling containers with liquids while reducing or eliminating splash-back and dripping of the liquids.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: October 27, 2020
    Assignee: The Procter & Gamble Company
    Inventors: Xin Wang, Ritsuo Kumagai
  • SIDE SHUTOFF PISTON VALVE ASSEMBLY
    Publication number: 20190077648
    Abstract: A side shutoff piston valve assembly for filling containers with liquids while reducing or eliminating splash-back and dripping of the liquids.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 14, 2019
    Inventors: Xin WANG, Ritsuo KUMAGAI