Patents by Inventor Sueo Yokota

Sueo Yokota 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).

  • Method of producing lined Hume pipe
    Patent number: 4864711
    Abstract: A method of producing a lined Hume pipe wherein an inner surface of a Hume pipe having a large-diameter socket at one end thereof and a spigot at the other end is covered with a synthetic resin pipe.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: September 12, 1989
    Assignees: Mitsubishi Plastics Industries Limited, Haneda Humepipe Co., Ltd.
    Inventor: Sueo Yokota