Patents by Inventor Min-jong Lee

Min-jong 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).

  • Patent number: 9136551
    Abstract: The present invention relates to a novel sulfonate-based compound, a method for preparing the same, a polymer electrolyte membrane comprising the sulfonate-based compound, a membrane electrode assembly comprising the same and a fuel cell comprising the same.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: September 15, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Hyejin Kwon, Seong Ho Choi, Min-Jong Lee, Sergey Ulyakhin, Chong Kyu Shin
  • Publication number: 20150225497
    Abstract: This invention relates to a novel metallocene compound, a catalyst composition including the same and a method of preparing olefin-based polymers using the same. The use of the novel metallocene compound as a catalyst for preparing olefin-based polymers enables synthesis of an olefin-based polymer having a low molecular weight and a wide molecular weight distribution.
    Type: Application
    Filed: September 23, 2013
    Publication date: August 13, 2015
    Inventors: Se-Young Kim, Min-Seok Cho, Mikhail Nechaev, Ki-Soo Lee, Yong-Ho Lee, Kyung-Jin Cho, Sung-Min Lee, Alexandr Bush, Min-Jong Lee, Alexey Khokhlov, Andrey Asachenko, Pavel Dzhevakov, Oleg Morozov, Yulia Valeeva, Alexander Smirnov
  • Publication number: 20140065512
    Abstract: The present invention relates to a novel sulfonate-based compound, a method for preparing the same, a polymer electrolyte membrane comprising the sulfonate-based compound, a membrane electrode assembly comprising the same and a fuel cell comprising the same.
    Type: Application
    Filed: December 3, 2012
    Publication date: March 6, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Hyejin Kwon, Seong Ho Choi, Min-Jong Lee, Sergey Ulyakhin, Chong Kyu Shin
  • Patent number: 5978342
    Abstract: A disk tray for a disk player comprising a first disk receiving portion for receiving a first disk and a second disk receiving portion formed on the bottom of the first disk receiving portion for receiving a second disk having a diameter smaller than that of the first disk, so that a center of the second disk receiving portion is eccentric from a center of the first disk receiving portion by a predetermined distance.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: November 2, 1999
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seoung-sam Ju, Min-jong Lee