Patents by Inventor Kenji Tonegi

Kenji Tonegi 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).

  • Interdental brush
    Patent number: D927192
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: August 10, 2021
    Assignee: GC Corporation
    Inventors: Natsumi Mizuno, Norito Inagaki, Kenji Tonegi
  • Interdental brush
    Patent number: D927193
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 10, 2021
    Assignee: GC Corporation
    Inventors: Natsumi Mizuno, Norito Inagaki, Kenji Tonegi
  • Interdental brush
    Patent number: D927854
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 17, 2021
    Assignee: GC Corporation
    Inventors: Natsumi Mizuno, Norito Inagaki, Kenji Tonegi