Patents by Inventor Ki Wan Oh

Ki Wan Oh 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).

  • NOVEL NAPHTHALIMIDE SULFONATE DERIVATIVE, AND PHOTOACID GENERATOR AND PHOTORESIST COMPOSITION EACH COMPRISING SAME
    Publication number: 20240085786
    Abstract: The present invention relates to a naphthalimide sulfonate derivative, and a photoacid generator and a photoresist composition each comprising same and, more specifically, to a naphthalimide sulfonate derivative compound, and a photoacid generator and a photoresist composition each comprising same, wherein the compound has excellent absorbance for light of i-line (365 nm) wavelength, is greatly easy to prepare into a polymerizable composition due to very high solubility in an organic solvent, has good thermal stability, and shows a favorable acid generation rate.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Applicant: SAMYANG CORPORATION
    Inventors: Chun Rim OH, Dae Hyuk CHOI, Yu Na CHOI, Deuk Rak LEE, Ji Eun CHOI, Ki Tae KANG, Min Jung KIM, Won Jung LEE, Chi Wan LEE
  • Obovatol having anti-anxiety activity
    Patent number: 8268292
    Abstract: The present invention relates to obovatol compound isolated from Magnolia obovata Thunb. for the prevention and treatment of anxiety disorders involved with CNS. The obovatol compound isolated from Magnolia obovata Thunb. have potent anti-anxiety activity, verified by an increased percentage of time on the open arms, an increased number of entries into, time spent on, the distal portion of the open arms, and a decreased activity of locomotor. Therefore it can be used as the therapeutics or health care food for treating and preventing anxiety disorders.
    Type: Grant
    Filed: May 4, 2006
    Date of Patent: September 18, 2012
    Assignees: Korea Research Institute of Bioscience and Biotechnology, Chungbuk National University Industry-Academic Cooperation Foundation
    Inventors: Byoung Mog Kwon, Seung Ho Lee, Kwang Hee Son, Jin Tae Hong, Ki Wan Oh, Jeong Ju Seo
  • Obovatol Having Anti-Anxiety Activity
    Publication number: 20080194702
    Abstract: The present invention relates to obovatol compound isolated from Magnolia obovata Thunb. for the prevention and treatment of anxiety disorders involved with CNS. The obovatol compound isolated from Magnolia obovata Thunb. have potent anti-anxiety activity, verified by an increased percentage of time on the open arms, an increased number of entries into, time spent on, the distal portion of the open arms, and a decreased activity of locomotor. Therefore it can be used as the therapeutics or health care food for treating and preventing anxiety disorders.
    Type: Application
    Filed: May 4, 2006
    Publication date: August 14, 2008
    Inventors: Byoung Mog Kwon, Seung Ho Lee, Kwang Hee Son, Jin Tae Hong, Ki Wan Oh, Jeong Ju Seo