Patents by Inventor Syuichi TOMINAGA

Syuichi TOMINAGA 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).

  • LENS BARREL AND KNOB FALLING-OFF PREVENTION MEMBER
    Publication number: 20240085655
    Abstract: According to one or more embodiments of the disclosure, a lens barrel includes an operation member and a knob. The operation member is disposed to be rotatable in a circumferential direction with respect to a lens barrel body. The knob is restricting and fixing rotation of the operation member in the circumferential direction. The lens barrel further includes a knob falling-off prevention member capable of switching between a first state of making the knob detachable from the lens barrel body and a second state of making the knob non-detachable from the lens barrel body.
    Type: Application
    Filed: January 27, 2022
    Publication date: March 14, 2024
    Applicant: Kowa Company, Ltd.
    Inventors: Jun TAKAYAMA, Syuichi TOMINAGA