Patents by Inventor Keido Ko

Keido Ko 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).

  • Antibiotics Bacileucines A and B and process for production and use thereof
    Patent number: 4181714
    Abstract: The present invention refers to novel antibiotics, Bacileucines A and B and use thereof, which are effective as agricultural and horticultural fungicides. Bacileucines A and B are produced from the microorganism belonged to Genus Bacillus and are characterized by that they have no phytotoxicity of plant and no adverse effect on the human body, have an excellent control effect on diseases of plants such as rice plant, vegetables and green plants and cause no pollution on the environment.
    Type: Grant
    Filed: March 7, 1978
    Date of Patent: January 1, 1980
    Assignees: Kikagaku Kenkyusho, Ajinomoto
    Inventors: Tomomasa Misato, Keido Ko, Yumiko Adachi, Tadakazu Watanabe
  • 2H-Chromene-2-spiro-3'-phthalides useful as horticultural and agricultural fungicides
    Patent number: 4078074
    Abstract: The present invention provides a novel horticultural and agricultural fungicidal composition which contains as an effective component a 2H-chromene-2-spiro-3'-phthalide derivative and a method for killing fungus on plants.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: March 7, 1978
    Assignee: Rikagaku Kenkyusho and Mitsubishi Petrochemical Company Limited
    Inventors: Tomomasa Misato, Keido Ko, Yasuo Homma, Kazuhiko Konno, Yosio Hayasi, Tetsuo Sekiya, Kozo Sato