Patents by Inventor Keijiro Ishibashi

Keijiro Ishibashi 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: 4159317
    Abstract: Compositions for the prevention of pyorrhea alveolaris containing a fructan-degrading enzyme at a ratio ranging from 1 to 300 activity units per g. or ml. of the composition.
    Type: Grant
    Filed: November 28, 1977
    Date of Patent: June 26, 1979
    Assignee: Sankyo Co., Ltd.
    Inventors: Masao Onisi, Keijiro Ishibashi, Soichiro Amao
  • Patent number: 4107291
    Abstract: Compositions for cleaning teeth and oral cavity which contains as an active ingredient an effective amount of invertase. The present cleaning composition is especially effective in reduction of dental plaque formation and prevention of dental caries.
    Type: Grant
    Filed: March 23, 1972
    Date of Patent: August 15, 1978
    Assignee: Sankyo Company Limited
    Inventor: Keijiro Ishibashi
  • 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: 3974291
    Abstract: Fungicidal compositions for topical treatment of dermatomycosis of animals which contain as active ingredient an antibiotic substance siccanin, preferably in the form of an aerosol or an ointment.
    Type: Grant
    Filed: December 11, 1974
    Date of Patent: August 10, 1976
    Assignee: Sankyo Company Limited
    Inventors: Noritoshi Kitano, Fusao Kondo, Kenichi Kusano, Keijiro Ishibashi
  • 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