Patents by Inventor Taku Kawai

Taku Kawai 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).

  • Attachment for illumination device
    Patent number: 10168022
    Abstract: There is provided an attachment for an illumination device which can change a ring-shaped illumination device to a dome-shaped illumination device. An attachment for dome illumination includes: a dome member made of a material that transmits and diffuses light emitted from a light emitting opening section of the ring-shaped illumination device inwardly; a plate member connected to the dome member, and connected to a main case so as not to form a gap when the attachment for dome illumination is fitted to the ring-shaped illumination device; and a dome cover which holds the dome member and the plate member so as to shield the space formed by the dome member, the plate member, and the light emitting opening section from light when the attachment for dome illumination is fitted to the ring-shaped illumination device.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: January 1, 2019
    Assignee: Keyence Corporation
    Inventors: Zhuoli Sun, Taku Kawai
  • Attachment For Illumination Device
    Publication number: 20180313520
    Abstract: There is provided an attachment for an illumination device which can change a ring-shaped illumination device to a dome-shaped illumination device. An attachment for dome illumination includes: a dome member made of a material that transmits and diffuses light emitted from a light emitting opening section of the ring-shaped illumination device inwardly; a plate member connected to the dome member, and connected to a main case so as not to form a gap when the attachment for dome illumination is fitted to the ring-shaped illumination device; and a dome cover which holds the dome member and the plate member so as to shield the space formed by the dome member, the plate member, and the light emitting opening section from light when the attachment for dome illumination is fitted to the ring-shaped illumination device.
    Type: Application
    Filed: March 20, 2018
    Publication date: November 1, 2018
    Applicant: Keyence Corporation
    Inventors: Zhuoli Sun, Taku Kawai