Patents by Inventor I-Hsuan Tseng

I-Hsuan Tseng 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).

  • PHOTOGRAPHING SYSTEM LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE
    Publication number: 20240168261
    Abstract: A photographing system lens assembly includes, in order from an object side to an image side: a first lens element, a second lens element, a third lens element and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one surface of at least one lens element in the photographing system lens assembly has at least one inflection point. The first lens element has positive refractive power, the object-side surface of the first lens element is convex in a paraxial region thereof, and the image-side surface of the first lens element is convex in a paraxial region thereof. The object-side surface of the second lens element is concave in a paraxial region thereof. The image-side surface of the third lens element is concave in a paraxial region thereof.
    Type: Application
    Filed: March 10, 2023
    Publication date: May 23, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Yu-Tai TSENG, Po-Wei CHEN, I-Hsuan CHEN, Hsin-Hsuan HUANG
  • Popcorn maker
    Patent number: D573835
    Type: Grant
    Filed: January 16, 2008
    Date of Patent: July 29, 2008
    Assignees: Kwang Hsieh Enterprise Co., Ltd., Sin Chi Enterprise Co., Ltd.
    Inventors: I-Hsuan Tseng, Szu Ming Chen
  • Combined snacks storing and dispensing machine
    Patent number: D584924
    Type: Grant
    Filed: January 7, 2008
    Date of Patent: January 20, 2009
    Assignees: Kwang Hsieh Enterprise Co., Ltd., Sin Chi Enterprise Co., Ltd.
    Inventors: I-Hsuan Tseng, Szu Ming Chen