Patents by Inventor Soo Yeup LEE

Soo Yeup LEE 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).

  • SUBSTRATE TRANSFER DEVICE AND SUBSTRATE TRANSFER METHOD
    Publication number: 20220258990
    Abstract: A substrate transfer device includes: a traveling unit including a traveling wheel that travels on a rail to transfer a substrate in a first direction; a rail unit including the rail and a rail protrusion protruding from the rail in a second direction different from the first direction; and a sensor unit including a first sensor and a second sensor, wherein the first sensor senses the traveling unit, and the second sensor senses the rail protrusion, wherein the first and second sensors are placed at the same position as each other along the rail on a basis of the first direction.
    Type: Application
    Filed: November 5, 2021
    Publication date: August 18, 2022
    Inventors: Dong Chol CHOI, Sung Hyo SON, Yong Jun AHN, Yu Dong WON, Soo Yeup LEE, Il Kyu LEE, Hyun Woo LEE, Kyoung Rak LIM