Patents by Inventor Chiyokichi Iizuka

Chiyokichi Iizuka 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).

  • Antiviral substance and the manufacturing method thereof
    Patent number: 4629627
    Abstract: An antiviral substance having, as an active component, a mixture of polysaccharide and cytokinin active substances primarily consisting of zeatin-related substances which are extracted from the nutrient medium and tissue-medium of Basidiomycetes such as Lentinus edodes and the manufacturing method thereof, is described.
    Type: Grant
    Filed: July 26, 1983
    Date of Patent: December 16, 1986
    Inventor: Chiyokichi Iizuka
  • Anticancer drugs
    Patent number: 4461760
    Abstract: Anticancer drugs consisting of sugar and protein composed primarily of xylose which are obtained from the nutrient medium and tissue-medium of Basidiomycetes such as Lentinus edodes which has been cultured in a solid medium rich is xylose such as bagasse is described.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: July 24, 1984
    Assignee: Noda Shokukin Kogyo Co., Ltd.
    Inventors: Nobuhiko Sugano, Chiyokichi Iizuka, Hiroaki Maeda
  • Method of accelerating coloring and sweetening of citrus fruits
    Patent number: 4281021
    Abstract: This is a method in which a liquid extract containing effective ingredients is obtained from water solutions of Mycelium nutrient medium and tissue-medium from edible fungus belonging to the genus Basidiomycetes and is diluted with water and sprayed over the surface of the leaves to accelerate coloring and improve sweetness of citrus fruits.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: July 28, 1981
    Assignee: Noda Shokkin Kogyo Kabushiki Gaisha
    Inventors: Chiyokichi Iizuka, Hiroaki Maeda
  • Method of artificially growing edible fungi
    Patent number: 4071973
    Abstract: A method of artificially growing edible fungi by ordinarily sterilizing a nutrient medium for edible fungus cultivation, setting the edible fungus sporiferous source in the sterilized nutrient medium, culturing the inoculated original hypha until it becomes prevalent over the nutrient medium, subjecting the prevalent hypha to a high temperature treatment and a subsequent low temperature treatment and then a cool water treatment.
    Type: Grant
    Filed: March 15, 1977
    Date of Patent: February 7, 1978
    Inventors: Chiyokichi Iizuka, Masaru Takeuchi
  • Substance useful for growth of plants and process for manufacturing the same
    Patent number: 3961938
    Abstract: A substance useful for the growth of plants, which is produced from the hyphae of an edible fungus such as shiitake and contains organic germanium as main effective ingredient, as well as a process of manufacturing the same.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: June 8, 1976
    Inventors: Chiyokichi Iizuka, Chohachi Fumoto