Patents by Inventor Junji Sone

Junji Sone 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).

  • MEMS vibrator and MEMS oscillator
    Patent number: 11655145
    Abstract: The present disclosure relates to a MEMS vibrator or the like that has excellent chemical resistance and an excellent mechanical strength and that is easily thinned. The present disclosure is a MEMS vibrator comprising: a vibrating film including a graphite film; and a silicon member supporting the vibrating film, the graphite film having a thickness of 50 nm or more and less than 20 ?m, and the graphite film having a Young's modulus along a graphite film plane direction of 700 GPa or more.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: May 23, 2023
    Assignee: KANEKA CORPORATION
    Inventors: Junji Sone, Mutsuaki Murakami
  • MEMS VIBRATOR AND MEMS OSCILLATOR
    Publication number: 20200399120
    Abstract: The present disclosure relates to a MEMS vibrator or the like that has excellent chemical resistance and an excellent mechanical strength and that is easily thinned. The present disclosure is a MEMS vibrator comprising: a vibrating film including a graphite film; and a silicon member supporting the vibrating film, the graphite film having a thickness of 50 nm or more and less than 20 ?m, and the graphite film having a Young's modulus along a graphite film plane direction of 700 GPa or more.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 24, 2020
    Applicant: KANEKA CORPORATION
    Inventors: Junji Sone, Mutsuaki Murakami
  • Scroll member for use in a positive displacement device, and a method for manufacturing the same
    Patent number: 4875839
    Abstract: A scroll member comprising a metallic end plate having a spiroidal groove on one side thereof, and a through-hole communicating with the groove, and a resin wrap joined to the groove of the end plate so as to protrude from the surface of the end plate. The wrap being formed by injection molding, and the through-hole and the groove being filled with part of the wrap.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: October 24, 1989
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hirotsugu Sakata, Hiroaki Murasaki, Makoto Hayano, Hitoshi Hattori, Naoya Morozumi, Kouichi Yoneyama, Isao Suzuki, Junji Sone, Shigemi Nagatomo