Patents by Inventor Yoshiharu TSUKAHARA

Yoshiharu TSUKAHARA 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).

  • Sealing structure for a rotary electronic component
    Patent number: 10679804
    Abstract: A drip-proof structure of an electronic component includes a rotary body that includes a main body as an operating portion, a first case rotatably supporting the rotary body, a second case that supports the other side surface of the main body of the rotary body and houses, together with the first case, the rotary body, a sliding piece that changes its position to follow rotation of the rotary body, a circuit board that outputs an output signal corresponding to the rotational position of the rotary body, a cover that covers the first and second cases and the circuit board, and first and second drip-proof members arranged between the first case and the cover and between the second case and the cover, respectively.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: June 9, 2020
    Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
    Inventors: Hiroshi Aoki, Yoshiharu Tsukahara, Satoshi Kuwabara, Naoki Hayashi
  • DRIP-PROOF STRUCTURE OF ELECTRONIC COMPONENT
    Publication number: 20190228934
    Abstract: A drip-proof structure of an electronic component includes a rotary body that includes a main body as an operating portion, a first case rotatably supporting the rotary body, a second case that supports the other side surface of the main body of the rotary body and houses, together with the first case, the rotary body, a sliding piece that changes its position to follow rotation of the rotary body, a circuit board that outputs an output signal corresponding to the rotational position of the rotary body, a cover that covers the first and second cases and the circuit board, and first and second drip-proof members arranged between the first case and the cover and between the second case and the cover, respectively.
    Type: Application
    Filed: July 20, 2017
    Publication date: July 25, 2019
    Inventors: Hiroshi AOKI, Yoshiharu TSUKAHARA, Satoshi KUWABARA, Naoki HAYASHI