Patents by Inventor Ryuzo Tomoi

Ryuzo Tomoi 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).

  • Removable cartridge for a diffusion device
    Patent number: D752731
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: March 29, 2016
    Assignee: Prolitec Inc.
    Inventors: Matthew Ansley, Nathan Sward, Howard Tanner, Ryuzo Tomoi
  • Removable cartridge for a diffusion device
    Patent number: D752732
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: March 29, 2016
    Assignee: Prolitec Inc.
    Inventors: Matthew Ansley, Nathan Sward, Andrew Williams, Harold Wikel, Ryuzo Tomoi