Patents by Inventor Makoto TAKARAGI

Makoto TAKARAGI 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).

  • Rocker arm and method of manufacturing the rocker arm
    Patent number: 10309263
    Abstract: Providing a rocker arm which can ensure the durability while reducing the inertial mass. The rocker arm (10) includes a valve abutment part (15) pressing a valve (80). The valve abutment part (15) includes a receiving wall (14) abutting against an end surface of a stem end (81A) of the valve (80) in a pressing state and a pair of sidewalls (13) protruding from both side ends (14A) of the receiving wall (14) so as to be opposed to each other and disposed along and in proximity to a side peripheral surface of the stem end (81A) of the valve (80). At least protruding distal ends of the sidewalls (13) each have a smaller thickness than adjacent portions and serve as a thinner portion (23).
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: June 4, 2019
    Assignee: OTICS CORPORATION
    Inventors: Naoyuki Yamane, Yoshiaki Haga, Tatsuya Sasaki, Eiichi Nozaki, Makoto Takaragi
  • ROCKER ARM AND METHOD OF MANUFACTURING THE ROCKER ARM
    Publication number: 20170350281
    Abstract: Providing a rocker arm which can ensure the durability while reducing the inertial mass. The rocker arm (10) includes a valve abutment part (15) pressing a valve (80). The valve abutment part (15) includes a receiving wall (14) abutting against an end surface of a stem end (81A) of the valve (80) in a pressing state and a pair of sidewalls (13) protruding from both side ends (14A) of the receiving wall (14) so as to be opposed to each other and disposed along and in proximity to a side peripheral surface of the stem end (81A) of the valve (80). At least protruding distal ends of the sidewalls (13) each have a smaller thickness than adjacent portions and serve as a thinner portion (23).
    Type: Application
    Filed: November 5, 2015
    Publication date: December 7, 2017
    Applicant: OTICS CORPORATION
    Inventors: Naoyuki YAMANE, Yoshiaki HAGA, Tatsuya SASAKI, Eiichi NOZAKI, Makoto TAKARAGI