Patents by Inventor Yasutaka Uematsu

Yasutaka Uematsu 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: 9273743
    Abstract: A spring assembly includes a substrate, an inner coil spring, and an outer coil spring arranged outside the inner coil spring. One of the inner coil spring and the outer coil spring includes an end turn portion, the end turn portion forming a support wall for an other of the inner coil spring and the outer coil spring.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: March 1, 2016
    Assignee: PIOLAX INC.
    Inventors: Kensuke Takeda, Yasutaka Uematsu, Toshie Fueki
  • Publication number: 20140225318
    Abstract: A spring assembly includes a substrate, an inner coil spring, and an outer coil spring arranged outside the inner coil spring. One of the inner coil spring and the outer coil spring includes an end turn portion, the end turn portion forming a support wall for an other of the inner coil spring and the outer coil spring.
    Type: Application
    Filed: April 21, 2014
    Publication date: August 14, 2014
    Applicant: PIOLAX Inc.
    Inventors: Kensuke Takeda, Yasutaka Uematsu, Toshie Fueki
  • Patent number: 8740199
    Abstract: According to one embodiment, a spring assembly includes: a substrate; a coil spring having an end turn portion fixed to the substrate; an inner wall provided at an inner peripheral side of the coil spring; and an outer wall provided at an outer peripheral side of the coil spring, wherein one of the inner wall and the outer wall forms a spring fixing wall configured to prevent the end turn portion of the coil spring from coming off in an axial direction of the coil spring, and wherein the other of the inner wall and the outer wall forms a support wall configured to prevent the end turn portion of the coil spring from moving in a radial direction of the coil spring.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: June 3, 2014
    Assignee: Piolax Inc.
    Inventors: Kensuke Takeda, Yasutaka Uematsu, Toshie Fueki
  • Publication number: 20100320660
    Abstract: According to one embodiment, a spring assembly includes: a substrate; a coil spring having an end turn portion fixed to the substrate; an inner wall provided at an inner peripheral side of the coil spring; and an outer wall provided at an outer peripheral side of the coil spring, wherein one of the inner wall and the outer wall forms a spring fixing wall configured to prevent the end turn portion of the coil spring from coming off in an axial direction of the coil spring, and wherein the other of the inner wall and the outer wall forms a support wall configured to prevent the end turn portion of the coil spring from moving in a radial direction of the coil spring.
    Type: Application
    Filed: June 15, 2010
    Publication date: December 23, 2010
    Applicant: Piolax Inc.
    Inventors: Kensuke Takeda, Yasutaka Uematsu, Toshie Fueki