Patents by Inventor Chikahisa Katoh

Chikahisa Katoh 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).

  • Door
    Patent number: D385966
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: November 4, 1997
    Assignee: Katohkenshou Kabushiki Kaisha
    Inventor: Chikahisa Katoh
  • Door
    Patent number: D385968
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: November 4, 1997
    Assignee: Katohkenshou Kabushiki Kaisha
    Inventor: Chikahisa Katoh