Patents by Inventor Kazuya Soma

Kazuya Soma 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: 20220146552
    Abstract: A contact probe includes a first plunger, a second plunger, a coil spring, and a pipe; the first plunger includes a first slide portion that slides along the inner periphery of the pipe; the second plunger includes a second slide portion that slides along the inner periphery of the pipe; and the coil spring includes: a first attachment portion that is attached to the first plunger and tightly wound; a second attachment portion that is attached to the second plunger and tightly wound; a coarsely wound portion; a first contact portion including one end connected to the first attachment portion and another end connected to the coarsely wound portion and contacting the pipe; and a second contact portion including one end connected to the coarsely wound portion and another end connected to the second attachment portion and contacting to the pipe.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 12, 2022
    Applicant: NHK Spring Co., Ltd.
    Inventors: Kazuya Soma, Masahiro Takahashi, Shuji Takahashi
  • Publication number: 20220011345
    Abstract: A probe unit includes: first contact probes each coming into contact with a target electrode on one end side in a longitudinal direction; a second contact probe connected to an external ground; a signal pipe disposed around each first contact probes; a ground member provided around each signal pipe and configured to form an air layer with the signal pipe; a probe holder including a plate-shaped first and second members; a first wiring part provided at least on a front surface of the first member and electrically connected to the second contact probe; a second wiring part provided at least on a front surface of the second member and electrically connected to the second contact probe; a first conductive unit configured to electrically connect the first wiring part and the ground member; and a second conductive unit configured to electrically connect the second wiring part and the ground member.
    Type: Application
    Filed: November 26, 2019
    Publication date: January 13, 2022
    Applicant: NHK Spring Co., Ltd.
    Inventors: Tsuyoshi Inuma, Kazuya Soma
  • Publication number: 20210156887
    Abstract: A contact probe includes: a cylindrical pipe member; a collar including a hollow portion and fixed to an inner circumferential side of at least one end in a longitudinal direction of the pipe member; and an inner conductor including a flange configured to abut on a stepped portion formed by the pipe member and the collar, the inner conductor being expandable and contractible along the longitudinal direction and penetrating the pipe member.
    Type: Application
    Filed: July 26, 2018
    Publication date: May 27, 2021
    Inventors: Kohei Hironaka, Kazuya Soma