Patents by Inventor Masahiro Sawai

Masahiro Sawai 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).

  • Spring retainer and method for manufacturing the same
    Patent number: 7228836
    Abstract: A spring retainer formed from a titanium alloy and comprising a cylinder and a brim formed integrally with the cylinder is disclosed. The brim has on a top thereof a slope formed such that a thickness of the brim decreases radially outwardly.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: June 12, 2007
    Assignees: Honda Motor Co., Ltd., Tanaka Seimitsu Kogyo Co., Ltd.
    Inventors: Hiroyuki Horimura, Kosuke Doi, Yoshikazu Kanazawa, Masahiro Sawai
  • Spring retainer and method for manufacturing the same
    Publication number: 20060067851
    Abstract: A spring retainer formed from a titanium alloy and comprising a cylinder and a brim formed integrally with the cylinder is disclosed. The brim has on a top thereof a slope formed such that a thickness of the brim decreases radially outwardly.
    Type: Application
    Filed: September 27, 2005
    Publication date: March 30, 2006
    Applicants: HONDA MOTOR CO., LTD., TANAKA SEIMITSU KOGYO CO., LTD.
    Inventors: Hiroyuki Horimura, Kosuke Doi, Yoshikazu Kanazawa, Masahiro Sawai