Patents by Inventor Hwa-Gyun Oh

Hwa-Gyun 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).

  • Composition and method for treating or preventing white spot syndrome virus
    Patent number: 8343555
    Abstract: The present invention relates to a composition and method for treating or preventing white spot syndrome virus of arthropod. The present invention is based on using Artemisia japonica extract, and preferably, a mixture of Artemisia japonica extract and Saururus chinensis extract as effective agent. More preferably, the present invention provides a composition for treating or preventing white spot syndrome virus, comprising Artemisia japonica extract and Saururus chinensis extract which are coated by a polymer. The present invention also provides a method for treating or preventing white spot syndrome virus of arthropod, using Artemisia japonica extract and Saururus chinensis extract which are coated by a polymer.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: January 1, 2013
    Assignee: CTC Bio, Inc.
    Inventors: Hwa-Gyun Oh, Ki-Hong Sung, Hong-Ryeol Jeon, Hong-Suk Kye, Se-Geun Yu, Dong-Jin Ha
  • COMPOSITION AND METHOD FOR TREATING OR PREVENTING WHITE SPOT SYNDROME VIRUS
    Publication number: 20090258077
    Abstract: The present invention relates to a composition and method for treating or preventing white spot syndrome virus of arthropod. The present invention is based on using Artemisia japonica extract, and preferably, a mixture of Artemisia japonica extract and Saururus chinensis extract as effective agent. More preferably, the present invention provides a composition for treating or preventing white spot syndrome virus, comprising Artemisia japonica extract and Saururus chinensis extract which are coated by a polymer. The present invention also provides a method for treating or preventing white spot syndrome virus of arthropod, using Artemisia japonica extract and Saururus chinensis extract which are coated by a polymer.
    Type: Application
    Filed: May 29, 2007
    Publication date: October 15, 2009
    Applicant: CTC BIO, INC.
    Inventors: Hwa-Gyun Oh, Ki-Hong Sung, Hong-Ryeol Jeon, Hong-Suk Kye, Se-Geun Yu, Dong-Jin Ha
  • . WL-1 strain producing mannanase
    Patent number: 6984406
    Abstract: The present invention relates to a Bacillus sp. strain producing a mannanase which is highly active in the neutral and the acidic media. The Bacillus sp. WL-1 strain (KCTC 0800BP), which is isolated from the soil, produces in large scale the mannanase in the culture medium containing lactose and bran, wherein the mannanase is highly active in the neutral and the acidic media so said mannanase is useful as an additive for feeds and is helpful in the decomposition of hemicellulose.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: January 10, 2006
    Assignee: CTC BIO Inc.
    Inventors: Ki-Haeng Cho, Ki-Hong Yoon, Dae-Weon Kim, Hwa-Gyun Oh, Young-Phill Oh
  • Novel bacillus sp. wl-1 strain producing mannanase
    Publication number: 20030190741
    Abstract: The present invention relates to a Bacillus sp. strain producing a mannanase which is highly active in the neutral and the acidic media. The Bacillus sp. WL-1 strain (KCTC 0800BP), which is isolated from the soil, produces in large scale the mannanase in the culture medium containing lactose and bran, wherein the mannanase is highly active in the neutral and the acidic media so said mannanase is useful as an additive for feeds and is helpful in the decomposition of hemicellulose.
    Type: Application
    Filed: December 17, 2002
    Publication date: October 9, 2003
    Inventors: Ki-Haeng Cho, Ki-Hong Yoon, Dae-Weon Kim, Hwa-Gyun Oh, Young-Phill Oh