Patents by Inventor Ikuma NISHIGUCHI

Ikuma NISHIGUCHI 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).

  • Prevention of performance falsification of a turbocharger
    Patent number: 11085365
    Abstract: A falsification prevention structure is to prevent falsification of the performance of a turbocharger. A bearing housing of the turbocharger has a flow rate adjustment screw which is operated to adjust a turbine flow rate of the turbocharger. The falsification prevention structure includes a cover member which is fastened to a flange portion of the bearing housing by a fixing bolt and which covers the flow rate adjustment screw, and a cap which is mounted in an irremovable manner with respect to the cover member and which blocks a bolt hole.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: August 10, 2021
    Inventors: Yoshinari Yoshida, Masaru Nishioka, Nobuaki Sugiu, Ikuma Nishiguchi, Satoru Furuta
  • PREVENTION OF PERFORMANCE FALSIFICATION OF A TURBOCHARGER
    Publication number: 20210108557
    Abstract: A falsification prevention structure is to prevent falsification of the performance of a turbocharger. A bearing housing of the turbocharger has a flow rate adjustment screw which is operated to adjust a turbine flow rate of the turbocharger. The falsification prevention structure includes a cover member which is fastened to a flange portion of the bearing housing by a fixing bolt and which covers the flow rate adjustment screw, and a cap which is mounted in an irremovable manner with respect to the cover member and which blocks a bolt hole.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 15, 2021
    Inventors: Yoshinari YOSHIDA, Masaru NISHIOKA, Nobuaki SUGIU, Ikuma NISHIGUCHI, Satoru FURUTA