Patents by Inventor Jin-Sen Chen

Jin-Sen Chen 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: 20240085664
    Abstract: An imaging 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, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The third lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The fifth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof and having at least one inflection point.
    Type: Application
    Filed: October 5, 2022
    Publication date: March 14, 2024
    Applicant: LARGAN PRECISION CO., LTD.
    Inventors: Wei-Xiang FU, Jin Sen WANG, I-Hsuan CHEN, Hsin-Hsuan HUANG
  • Publication number: 20120079715
    Abstract: A tweezer for detaching a connector includes a pivot and two levers connected to each other by the pivot. Each lever includes a connection surface facing another lever and a holding end, and defines an elongated groove in the connection surface at the holding end. The elongated grooves of the two levers extend along a direction substantially parallel to the pivot. The elongated grooves are configured for receiving two opposite edges of the connector such that the two levers cooperatively grasp the connector.
    Type: Application
    Filed: December 23, 2010
    Publication date: April 5, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., PREMIER IMAGE TECHNOLOGY(CHINA) LTD.
    Inventor: JIN-SEN CHEN
  • Patent number: 5900348
    Abstract: A cyanine dye for using in optical disc recording medium, having the following structure: ##STR1## wherein R represents 4-methoxycarbonyl benzyl group, X.sup.- represents an acid anion, and n represents am integer of 2 or 3. This cyanine dye is suitable for use as a near infrared light-absorbing organic dye useful as an optical disc recording medium.
    Type: Grant
    Filed: July 23, 1997
    Date of Patent: May 4, 1999
    Assignees: National Tsing Hua University, Industrial Technology Research Institute
    Inventors: Andrew Teh Hu, Hong-Ji Lee, Jian-Liang Huang, Jen-Cheng Chang, Shi-Jae Ye, Der-Ray Huang, Don-Yau Chiang, Wen-Yih Liao, Tzuan-Ren Jeng, Jin-Sen Chen