Patents by Inventor Toshiaki Maruichi

Toshiaki Maruichi 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).

  • Publication number: 20210017084
    Abstract: A thermally conductive composite particle, including: a core portion including an inorganic particle; and a shell portion including a nitride particle and covering the core portion, is provided. The thermally conductive composite particle is a sintered body.
    Type: Application
    Filed: September 26, 2020
    Publication date: January 21, 2021
    Applicant: NHK SPRING CO., LTD.
    Inventors: Kohei SUZUKI, Toshiaki MARUICHI
  • Patent number: 10808784
    Abstract: The coil spring according to the present invention is a coil spring that is formed by spirally winding a wire rod and that includes a core that is elastically deformable and a reinforced fiber layer including reinforcing fibers wound around an outer circumference of the core and a thermoset resin that firmly adheres the reinforcing fibers to one another, wherein, in at least a part of a surface layer of the reinforced fiber layer, a content percentage of the reinforcing fibers on an inner circumferential side of the coil spring is larger than a content percentage of the reinforcing fibers on an outer circumferential side of the coil spring.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: October 20, 2020
    Assignee: NHK Spring Co., Ltd.
    Inventors: Yoshiki Ono, Kazuhiko Konomi, Takamichi Sano, Masaru Imamura, Toshiaki Maruichi
  • Publication number: 20190063536
    Abstract: A coil spring includes: a core that is elastically deformable; and a reinforced fiber layer including reinforced fibers wound around an outer circumference of the core, and a thermoset resin that firmly adheres the reinforced fibers to one another. In at least a part of a surface layer of the reinforced fiber layer, a content percentage of the reinforced fibers on an inner circumferential side of the coil spring is larger than a content percentage of the reinforced fibers on an outer circumferential side of the coil spring.
    Type: Application
    Filed: March 7, 2017
    Publication date: February 28, 2019
    Inventors: Yoshiki Ono, Kazuhiko Konomi, Takamichi Sano, Masaru Imamura, Toshiaki Maruichi