Patents by Inventor Jeong Yong Jo

Jeong Yong Jo 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).

  • SEPARATOR HAVING EXCELLENT WITHSTAND VOLTAGE PROPERTIES AND SECONDARY BATTERY INCLUDING THE SEPARATOR
    Publication number: 20240170802
    Abstract: A separator for a secondary battery includes a porous polymer material; and a coating layer including an inorganic material and a binder on one or both surfaces of the porous polymer material, wherein a ratio of average pore size of the separator to a maximum pore size, measured by a bubble point method, is 0.5 to 0.99, and surface roughness Rz is 2.5 or less, and the separator may have excellent withstand voltage characteristics as a thin film and may exhibit suitable evaluation characteristics in a Hi-pot test performed during a battery assembly process.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 23, 2024
    Inventors: Yun Kyung JO, Jeong Han KIM, Whee Sung KIM, Dae Yong YEON
  • Method for preventing blocking and deterioration in flowability of epoxy molding compound powder
    Publication number: 20080045632
    Abstract: A method for preparing an epoxy molding compound powder includes preparing an epoxy molding compound chips, feeding dry ice into a dry ice consecutive feeder to form dry ice chips, grinding simultaneously the epoxy molding compound chips and the dry ice chips in a grinder to form a powder mixture, and separating the powder mixture to form epoxy molding compound powder.
    Type: Application
    Filed: December 27, 2006
    Publication date: February 21, 2008
    Inventors: Jeong Yong Jo, Kyung Dae Kim, Hee Woo Woo