Patents by Inventor Michiru Sasaki

Michiru Sasaki 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).

  • Ceiling-mounted type lighting device
    Patent number: 11746970
    Abstract: A light-receiving unit containing four optical sensors arranged crosswise and a light-shielding body containing four through-holes confronting light-receiving surfaces of the optical sensors, and a tilt adjustment mechanism containing first and second movable bodies which are mounted on first and second rotation shafts arranged on a same plane to cross at right angles are provided. The tilt adjustment mechanism is mounted in a housing constituting a ceiling-mounted type lighting device and the light-receiving unit and a lighting lamp are mounted on a rotational center axis of the second moving body. Tilt adjustment light emitted from a treatment table hits the optical sensors via the light-shielding body.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: September 5, 2023
    Assignees: ELCO CO., LTD, EVERS CO., LTD, DAI-ICHI SHOMEI CO., LTD
    Inventors: Michiru Sasaki, Takahito Yoshizawa
  • Ceiling-Mounted Type Lighting Device
    Publication number: 20220178507
    Abstract: A light-receiving unit containing four optical sensors arranged crosswise and a light-shielding body containing four through-holes confronting light-receiving surfaces of the optical sensors, and a tilt adjustment mechanism containing first and second movable bodies which are mounted on first and second rotation shafts arranged on a same plane to cross at right angles are provided. The tilt adjustment mechanism is mounted in a housing constituting a ceiling-mounted type lighting device and the light-receiving unit and a lighting lamp are mounted on a rotational center axis of the second moving body. Tilt adjustment light emitted from a treatment table hits the optical sensors via the light-shielding body.
    Type: Application
    Filed: June 22, 2020
    Publication date: June 9, 2022
    Inventors: Michiru Sasaki, Takahito Yoshizawa