Patents by Inventor Il Ju Park

Il Ju Park 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).

  • Negative electrode active material, negative electrode including the negative electrode active material, and secondary battery including the negative electrode
    Patent number: 11984587
    Abstract: The present invention relates to: a negative electrode active material including silicon-based composite particles containing SiOx (0<x<2) and a MgSiO3 phase, wherein the MgSiO3 phase includes a first MgSiO3 phase having an enstatite structure and a second MgSiO3 phase having a clinoenstatite structure at a weight ratio of 1:1 to 1:5; a negative electrode including the same; and a secondary battery including the negative electrode.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: May 14, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Il Geun Oh, Sun Young Shin, Se Hui Sohn, Yong Ju Lee, Se Mi Park
  • SHEET MASK FOR IONTOPHORESIS AND MASK ASSEMBLY USING THE SAME
    Publication number: 20170216584
    Abstract: Disclosed is a sheet mask for iontophoresis including: a first boring portion which is formed at least one portion of portions corresponding to eyes, a nose, and a mouth of a user face; and a second boring portion which is formed to connect an electrode portion, wherein the number of second boring portions is one to six.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 3, 2017
    Applicants: INSUNG INFORMATION CO., LTD., WOMANS CARE Co.,Ltd
    Inventors: Young Sam CHUN, Il Ju PARK, Hong Jin KIM, Moo Kyung SHIN, Myoung Hwan KIM
  • Therapy machine
    Patent number: D700345
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: February 25, 2014
    Inventor: Il Ju Park