Patents by Inventor Nobukatsu Ike

Nobukatsu Ike 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 for lining the internal surface of a pipe
    Patent number: 5590689
    Abstract: There is provided a method for lining the internal surface of a pipe having a first open end and a second open end.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: January 7, 1997
    Assignees: Tokyo Gas Co. Ltd., Hakko Co., Ltd.
    Inventors: Shigeru Toyoda, Shuichi Yagi, Masaaki Itagaki, Nobukatsu Ike, Kenji Ohshima
  • Method for repairing interior portions of a pipeline
    Patent number: 5089297
    Abstract: Liquefied resin is supplied into a pipeline having a branch pipe from an end. Mass of the resin is moved by compressed air passing through the pipeline at constant speed, thereby lining inner walls of the pipeline and branch pipe with the resin.
    Type: Grant
    Filed: November 2, 1990
    Date of Patent: February 18, 1992
    Assignee: Hakko Co., Ltd.
    Inventors: Motoyuki Koga, Nobukatsu Ike, Kenji Ohshima