Patents by Inventor Shinichi FUJIMAKI

Shinichi FUJIMAKI 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).

  • Patent number: 10634247
    Abstract: Disclosed is an engine piston structure including an outer peripheral portion (6) formed along an outer shape of a piston (1), and having a predetermined thickness, a pair of piston pin supporters (7) having peripheral walls (7b) having a predetermined thickness, and couplers (8) each coupling the pair of the piston pin supporters (7) to the outer peripheral portion (6). The outer peripheral portion (6) and the peripheral walls (7b) of the piston pin supporters (7) are solid. Each of the coupler (8) is porous. The outer peripheral portion (6), the piston pin supporters (7), and the couplers (8) are made of a metal material and are integrally formed together.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: April 28, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Kazuo Ichikawa, Osamu Aoki, Takashi Ikai, Kouichi Nakano, Yoshiyuki Koga, Shinichi Fujimaki
  • Publication number: 20180335140
    Abstract: Disclosed is an engine piston structure including an outer peripheral portion (6) formed along an outer shape of a piston (1), and having a predetermined thickness, a pair of piston pin supporters (7) having peripheral walls (7b) having a predetermined thickness, and couplers (8) each coupling the pair of the piston pin supporters (7) to the outer peripheral portion (6). The outer peripheral portion (6) and the peripheral walls (7b) of the piston pin supporters (7) are solid. Each of the coupler (8) is porous. The outer peripheral portion (6), the piston pin supporters (7), and the couplers (8) are made of a metal material and are integrally formed together.
    Type: Application
    Filed: October 25, 2016
    Publication date: November 22, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Kazuo ICHIKAWA, Osamu AOKI, Takashi IKAI, Kouichi NAKANO, Yoshiyuki KOGA, Shinichi FUJIMAKI