Patents by Inventor Atsuyuki Satoh

Atsuyuki Satoh 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: 4469643
    Abstract: Disclosed are compounds having the following general formula: ##STR1## wherein n is an integer of 1 or 2; R.sup.1 is an amino group when n is 2, or an amino group or a hydroxyl group when n is 1; and R.sup.2 is a hydroxyl group when n is 1, or a hydroxyl group or a group of the formula ##STR2## when n is 2; and microbiological process for producing the same. The compounds are useful as precursors for raising the production rate of SF-1293 substance. Some of the compounds are also useful as intermediates for synthesis of 2-amino-4-(hydroxy)(methyl)phosphinoylbutyric acid and the SF-1293 substance.
    Type: Grant
    Filed: November 10, 1983
    Date of Patent: September 4, 1984
    Assignee: Meiji Seika Kaisha Ltd.
    Inventors: Takashi Tsuruoka, Satoshi Imai, Atsuyuki Satoh, Tetsuro Watanabe, Koji Watanabe, Shigeharu Inouye, Taro Niida
  • Patent number: 4466913
    Abstract: 2-Amino-4-(hydroxy)phosphinoylbutyryl-L-alanyl-L-alanine.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: August 21, 1984
    Assignee: Maiji Seika Kaisha Ltd.
    Inventors: Takashi Tsuruoka, Satoshi Imai, Atsuyuki Satoh, Tetsuro Watanabe, Koji Watanabe, Shigeharu Inouye, Taro Niida