Patents by Inventor Volkov Dmitrii Yurievich

Volkov Dmitrii Yurievich 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).

  • Publication number: 20210311286
    Abstract: An ophthalmic imaging system comprises a photographing optical system including an ophthalmic lens module including a first positive lens and a first converging lens sequentially arranged from the examinee's fundus and a projection lens module including a negative meniscus with a convex surface facing in an opposite direction of the examinee's fundus, a second positive lens, a diverging lens, and a second converging lens sequentially arranged from the examinee's fundus wherein the following conditional expression is satisfied, S?p/Sp?2.8, Sp?30 mm, wherein Sp, Sp? is a first distance from a paraxial plane of the ophthalmic lens module to an entrance pupil plane and a second distance from a paraxial plane of the ophthalmic lens module to an exit pupil plane.
    Type: Application
    Filed: July 24, 2020
    Publication date: October 7, 2021
    Applicant: INTHESMART Co., Ltd.
    Inventors: Choong Hee LEE, Uk KANG, Il Hyung SHIN, Volkov Dmitrii Yurievich, Papayan Garri Vazgenovich