Patents by Inventor Katsuo Kumagai

Katsuo Kumagai 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).

  • Immunopotentiator for mammary gland of dairy cows containing lactoferrin as an active ingredient
    Patent number: 7235528
    Abstract: The invention provides an immunostimulant for a lactating bovine mammary gland, said immunostimulant containing lactoferrin or pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: June 26, 2007
    Assignee: Kyoritsu Seiyaku Corporation
    Inventors: Katsuo Kumagai, Ken-ichi Komine, Kenzo Kai
  • Therapeutic agent for mastitis of livestock and method for treating mastitis using the same agent
    Patent number: 6872709
    Abstract: The present invention provides a therapeutic agent and therapeutic method for treatment of mastitis in livestock comprising glycyrrhizin and pharmaceutically acceptable salts thereof as effective ingredients.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: March 29, 2005
    Assignee: Kyoritsu Seiyaku Corporation
    Inventors: Katsuo Kumagai, Kenzo Kai, Ken-ichi Komine
  • Immunopotentiator for mammary gland of dairy cows containing lactoferrin as an active ingredient
    Publication number: 20040235711
    Abstract: The invention provides an immunostimulant for a lactating bovine mammary gland, said immunostimulant containing lactoferrin or pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Application
    Filed: June 18, 2004
    Publication date: November 25, 2004
    Inventors: Katsuo Kumagai, Ken-ichi Komine, Kenzo Kai
  • Therapeutic agent for mastitis of livestock and method for treating mastitis using the same agent
    Publication number: 20040067899
    Abstract: The present invention provides a therapeutic agent and therapeutic method for treatment of mastitis in livestock comprising glycyrrhizin and pharmaceutically acceptable salts thereof as effective ingredients.
    Type: Application
    Filed: July 28, 2003
    Publication date: April 8, 2004
    Inventors: Katsuo Kumagai, Kenzo Kai, Ken-Ichi Komine
  • Therapeutic agent for mastitis of livestock and method for treating mastitis using the same agent
    Publication number: 20020115622
    Abstract: The present invention provides a therapeutic agent and therapeutic method for treatment of mastitis in livestock comprising glycyrrhizin and pharmaceutically acceptable salts thereof as effective ingredients.
    Type: Application
    Filed: November 26, 2001
    Publication date: August 22, 2002
    Inventors: Katsuo Kumagai, Kenzo Kai, Ken-ichi Komine
  • Biologically active product produced by streptococcus pyogenes and method of purification
    Patent number: 5559211
    Abstract: A biologically active, stable protein with a molecular weight of 20,000 to 30,000 and an isoelectric point of 8.0-10.0 is produced from the culture fluid of Streptococcus pyogenes and purified. The purified biologically active protein produces lymphocyte proliferation, provides protection against bacterial and viral infection and restricts minor metastasis.
    Type: Grant
    Filed: February 18, 1994
    Date of Patent: September 24, 1996
    Assignee: Kabushiki Kaisha Saikin Kagaku Kenkyujo
    Inventors: Katsuo Kumagai, Hidemi Rikiishi, Keiji Tamura, Shunji Sugawara, Eiji Nemoto, Shigefumi Okamoto, Tokio Onta
  • Cathode ray tube computer display
    Patent number: D262705
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: January 19, 1982
    Assignee: Fujitsu Limited
    Inventors: John W. Goodin, Douglas H. Grambush, Milton J. Halsted, Katsuo Kumagai
  • Computer control terminal
    Patent number: D262882
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: February 2, 1982
    Assignee: Fujitsu Limited
    Inventors: John W. Goodin, Douglas H. Grambush, Milton J. Halsted, Katsuo Kumagai