Patents by Inventor Hitoshi Honma

Hitoshi Honma 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).

  • Air filter
    Patent number: D440295
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: April 10, 2001
    Assignee: Koganei Corporation
    Inventor: Hitoshi Honma
  • Air pressure regulator
    Patent number: D444722
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: July 10, 2001
    Assignee: Koganei Corporation
    Inventor: Hitoshi Honma
  • Air pressure regulator
    Patent number: D444723
    Type: Grant
    Filed: August 16, 2000
    Date of Patent: July 10, 2001
    Assignee: Koganei Corporation
    Inventor: Hitoshi Honma