Patents Assigned to WONKISOPHARM CO., LTD.
  • Derivatives of cyclic compound and the use thereof
    Patent number: 8420853
    Abstract: Disclosed is tonovel cyclic derivatives having potent inhibiting effect on melanin formation and skin hyper-pigmentation activity with no adverse response to skin. They can be used as the therapeutics for treating and preventing the skin disease caused by over-reproduced melanin.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: April 16, 2013
    Assignees: Wonkisopharm Co., Ltd
    Inventors: Hyunchul Cho, Yonghyun Choi, Jonghan Yhei
  • Novel Derivatives of Cyclic Compound And The Use Thereof
    Publication number: 20100022461
    Abstract: Disclosed is tonovel cyclic derivatives having potent inhibiting effect on melanin formation and skin hyper-pigmentation activity with no adverse response to skin. They can be used as the therapeutics for treating and preventing the skin disease caused by over-reproduced melanin.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 28, 2010
    Applicant: WONKISOPHARM CO., LTD.
    Inventors: Hyun Chul Cho, Yonghyun Choi, Jonghan Yhei