Patents by Inventor Shumpei Kawanami

Shumpei Kawanami 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).

  • Apparatus for dimensional inspection of a pipe spool, or for making or cutting and finishing at its both ends
    Patent number: 4604813
    Abstract: Apparatus used for dimensional inspection of a pipe spool, and further for marking or cutting and finishing of the both ends by means of laying at least an end tangent horizontal and having each center of the cutting end section in a line which is parallel to a base frame.
    Type: Grant
    Filed: February 20, 1985
    Date of Patent: August 12, 1986
    Assignee: Dai-Ichi High Frequency Co., Ltd.
    Inventors: Shumpei Kawanami, Hiroshi Nakama
  • Method for bending a metal pipe
    Patent number: 4412442
    Abstract: A method and hot bending apparatus for metal pipes in which the temperature of the pipe is kept constant during "gradation bending". The temperature may be adjusted by adjusting the power applied to the heater, or alternatively by adjusting the relative movement of the pipe with respect to the heater. While a feedback system may be utilized, a predetermined program is preferred under control of a microprocessor.
    Type: Grant
    Filed: September 17, 1980
    Date of Patent: November 1, 1983
    Assignee: Dai-Ichi High Frequency Co., Ltd.
    Inventors: Shumpei Kawanami, Yasuo Watanabe, Susumu Hanyo