Patents by Inventor Meng-Kuan CHO

Meng-Kuan CHO 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: 20220283408
    Abstract: An optical imaging lens system includes ten lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element, a ninth lens element and a tenth lens element. Each of the ten lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The second lens element has positive refractive power. The image-side surface of the tenth lens element is concave in a paraxial region thereof, and the image-side surface of the tenth lens element has at least one inflection point.
    Type: Application
    Filed: July 22, 2021
    Publication date: September 8, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Yu-Tai TSENG, Hsin-Hsuan HUANG, Meng-Kuan CHO
  • Publication number: 20220244500
    Abstract: An optical imaging system includes ten lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element, a ninth lens element and a tenth lens element. Each of the ten lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The second lens element has negative refractive power. The tenth lens element has negative refractive power, and at least one of the object-side surface and the image-side surface of the tenth lens element has at least one inflection point.
    Type: Application
    Filed: June 25, 2021
    Publication date: August 4, 2022
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Yu-Tai TSENG, Meng-Kuan CHO, Hsin-Hsuan HUANG