Patents by Inventor Mamoru Rachi

Mamoru Rachi 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).

  • Device and method for forming piping components
    Patent number: 7155952
    Abstract: A method and apparatus for being hollow work pieces has a pressurizing arrangement that allows the pressure to be adjusted in an internal cavity defined within the work pieces between subsequent bending operations on any one work piece. The internal cavity is defined by sealing caps that are secured to the ends of the work piece.
    Type: Grant
    Filed: September 22, 2005
    Date of Patent: January 2, 2007
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Mamoru Rachi, Yoji Tashiro, Tamio Yoshino
  • Device and method for forming piping components
    Publication number: 20060059972
    Abstract: A method and apparatus for being hollow work pieces has a pressurizing arrangement that allows the pressure to be adjusted in an internal cavity defined within the work pieces between subsequent bending operations on any one work piece. The internal cavity is defined by sealing caps that are secured to the ends of the work piece.
    Type: Application
    Filed: September 22, 2005
    Publication date: March 23, 2006
    Inventors: Mamoru Rachi, Yoji Tashiro, Tamio Yoshino