Patents by Inventor Chiyoko Takeichi

Chiyoko Takeichi 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).

  • Patent number: 3998699
    Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and by recovering said substances from the culture material. The new antibiotic substances possess insecticidal and acaricidal properties.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: December 21, 1976
    Assignee: Sankyo Company Limited
    Inventors: Atsushi Aoki, Rikiya Fukuda, Toshio Nakayabu, Keijiro Ishibashi, Chiyoko Takeichi, Mitsuo Ishida
  • Patent number: 3992552
    Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and by recovering said substances from the culture material. The new antibiotic possess insecticidal and acaricidal properties.
    Type: Grant
    Filed: August 27, 1975
    Date of Patent: November 16, 1976
    Assignee: Sankyo Company Limited
    Inventors: Atsushi Aoki, Rikiya Fukuda, Toshio Nakayabu, Keijiro Ishibashi, Chiyoko Takeichi, Mitsuo Ishida
  • Patent number: 3992527
    Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and recovering said substances from the culture material. The new antibiotic substances possess insecticidal and acaracidal properties.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: November 16, 1976
    Assignee: Sankyo Company Limited
    Inventors: Atsushi Aoki, Rikiya Fukuda, Toshio Nakayabu, Keijiro Ishibashi, Chiyoko Takeichi, Mitsuo Ishida
  • Patent number: 3992551
    Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and by recovering said substances from the culture material. The new antibiotic substances possess insecticidal and acaricidal properties.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: November 16, 1976
    Assignee: Sankyo Company Limited
    Inventors: Atsushi Aoki, Rikiya Fukuda, Toshio Nakayabu, Keijiro Ishibashi, Chiyoko Takeichi, Mitsuo Ishida
  • Patent number: 3984564
    Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and by recovering said substances from the culture material. The new antibiotic substances possess insecticidal and acaricidal properties.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: October 5, 1976
    Assignee: Sankyo Company Limited
    Inventors: Atsushi Aoki, Rikiya Fukuda, Toshio Nakayabu, Keijiro Ishibashi, Chiyoko Takeichi, Mitsuo Ishida
  • Patent number: 3966914
    Abstract: This invention relates to new antibiotic substances B-41, a process for producing the antibiotic substance B-41 by culturing in a medium a B-41 producing strain belonging to the genus Streptomyces and then recovering the resulting B-41 from the cultured substance, and an insecticidal and acaricidal composition containing novel antibiotic substances B-41 as an active ingredient.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: June 29, 1976
    Assignee: Sankyo Company Limited
    Inventors: Atsushi Aoki, Rikiya Fukuda, Toshio Nakayabu, Keijiro Ishibashi, Chiyoko Takeichi, Mitsuo Ishida
  • Patent number: 3950360
    Abstract: New antibiotic substances are obtained by culturing a strain belonging to the genus Streptomyces and recovering said substances from the culture material. The new antibiotic substances possess insecticidal and acaracidal properties.
    Type: Grant
    Filed: September 4, 1973
    Date of Patent: April 13, 1976
    Assignee: Sankyo Company Limited
    Inventors: Atsushi Aoki, Rikiya Fukuda, Toshio Nakayabu, Keijiro Ishibashi, Chiyoko Takeichi, Mitsuo Ishida