Patents by Inventor Jeong Woo Cha

Jeong Woo Cha 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).

  • Percutaneous absorption preparation for treating dementia comprising donepezil
    Patent number: 11992562
    Abstract: A percutaneous absorption preparation is disclosed. The percutaneous absorption preparation contains donepezil for treatment of dementia, wherein the preparation includes: (a) donepezil or its pharmaceutically acceptable salt as active component, (b) propylene glycol monocaprylate as solubilizer, and (c) styrene-isoprene-styrene block copolymer (“SIS”) as adhesive. The percutaneous absorption preparation has low skin irritation and high skin penetration.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: May 28, 2024
    Assignees: DONG-A ST CO., LTD., KM TRANSDERM LTD.
    Inventors: Sun-Woo Jang, Chang-Yell Shin, Jeong-Soo Kim, Hae-Sun Kim, Kwang-Ho Cha, Hyun-Jung Kim, Masaoki Goto
  • Video camera
    Patent number: D440999
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: April 24, 2001
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Ki Min, Jeong Woo Cha
  • Video camera
    Patent number: D431256
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: September 26, 2000
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Ki Min, Jeong Woo Cha