Patents by Inventor Kwang-Ho Roh

Kwang-Ho Roh 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: 11957669
    Abstract: One aspect of the present disclosure is a pharmaceutical composition which includes (R)—N-[1-(3,5-difluoro-4-methansulfonylamino-phenyl)-ethyl]-3-(2-propyl-6-trifluoromethyl-pyridin-3-yl)-acrylamide as a first component and a cellulosic polymer as a second component, wherein the composition of one aspect of the present disclosure has a formulation characteristic in which crystal formation is delayed for a long time.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 16, 2024
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Joon Ho Choi, Won Kyung Cho, Kwang-Hyun Shin, Byoung Young Woo, Ki-Wha Lee, Min-Soo Kim, Jong Hwa Roh, Mi Young Park, Young-Ho Park, Eun Sil Park, Jae Hong Park
  • Patent number: 5166705
    Abstract: An apparatus for holding a paper for use in a color video printer is disclosed. The apparatus reproduces the video signal on a paper fast and precisely by preventing the thermal head from random up or down movement. The improvement includes: a platen drum for rotating the paper; a thermal head for radiating heat according to a video signal input; a color ribbon disposed between the thermal head and the paper, for reproducing the video signal on the paper in response to the heat radiated from the thermal head; and means controllably coupled to the platen drum, for holding the paper upon the platen drum, the holding means being mounted at only both end of the platen drum.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: November 24, 1992
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kwang-Ho Roh