Patents by Inventor Hiroji Sakatani

Hiroji Sakatani 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).

  • Pipe joint
    Patent number: 6123364
    Abstract: A pipe joint provided with a joint main body having a tapered female screw portion on an opening end, and a cylindrical retainer having a male screw portion screwed into the female screw portion and plural small-disc continuous bodies each of which is composed of two or three small discs for pipe fixation embedded in the male screw portion along with the thread as a part of the small disc protrudes from a peripheral side and another part of the small disc protrudes from an inner peripheral face.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: September 26, 2000
    Assignees: Higashio Mech Co., Ltd., Hiroshi Inoue
    Inventors: Hiroshi Inoue, Hiroji Sakatani