Patents by Inventor Chun Im Lee

Chun Im 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).

  • Endless belt having meandering prevention guide
    Patent number: 9096381
    Abstract: Disclosed herein is an endless belt having a meandering prevention guide, wherein the meandering prevention guide is heat-treated, and thermoplastic double-sided adhesive tape exhibiting adhesivity using heat is applied to the meandering prevention guide.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: August 4, 2015
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Chun Im Lee, Sang Kyun Kim, Ki Nam Kwak, Sung Hoon Back, Sang Min Song
  • ENDLESS BELT HAVING MEANDERING PREVENTION GUIDE
    Publication number: 20140374222
    Abstract: Disclosed herein is an endless belt having a meandering prevention guide, wherein the meandering prevention guide is heat-treated, and thermoplastic double-sided adhesive tape exhibiting adhesivity using heat is applied to the meandering prevention guide.
    Type: Application
    Filed: September 5, 2012
    Publication date: December 25, 2014
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Chun Im Lee, Sang Kyun Kim, Ki Nam Kwak, Sung Hoon Back, Sang Min Song
  • ENDLESS BELT
    Publication number: 20140349797
    Abstract: Disclosed herein is a method of manufacturing an endless belt, including the steps of: reacting a diamine monomer with a dianhydride monomer in a reactor filled with a conductive filler-dispersed liquid to obtain a reaction product, aging the reaction product and then discharging the aged reaction product from the reactor to prepare a semiconductive polyamic acid solution having a molecular weight distribution (Mw/Mn) of 1.3˜3.0 and a weight average molecular weight (Mw) of 30,000˜300,000; and applying the semiconductive polyamic acid solution to a seamless mold and completing an imidization reaction to obtain a polyimide film.
    Type: Application
    Filed: August 30, 2012
    Publication date: November 27, 2014
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Ki Nam Kwak, Sang Kyun Kim, Sung Hoon Back, Chun Im Lee, Sang Min Song