Patents by Inventor Kan HANAOKA

Kan HANAOKA 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).

  • RETICLE UNIT AND OPTICAL SIGHTING DEVICE
    Publication number: 20220043276
    Abstract: Provided is a reticle unit 40 that includes a reticle 41 with a sight line 410, and an optical fiber 42 that forms a dot by guiding light from a light source to a center 410a of the sight line 410, wherein a light incident portion 42a for receiving light is formed at one end of the optical fiber 42, a light-emitting portion 42b for emitting light is formed at the other end 42b of the optical fiber 42, the light incident portion 42a has a spherical surface having a diameter greater than that of the optical fiber 42, the light-emitting portion 42b has an inclined surface that reflects light passing through the optical fiber 42, and the optical fiber 42 is fixed along a part of the sight line 410 so that the light-emitting portion 42b is positioned at the center 410a of the sight line 410.
    Type: Application
    Filed: November 28, 2018
    Publication date: February 10, 2022
    Applicant: LIGHT OPTICAL WORKS, LTD.
    Inventors: Masatomi IWANAMI, Kan HANAOKA, Toru MURAKAMI