Patents by Inventor Matazo Abe

Matazo Abe 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).

  • Method for producing citric acids
    Patent number: 4391908
    Abstract: Citric acids are produced by culturing a citric acids-accumulating and hydrocarbon-assimilating strain of a yeast of the genus Candida in an aqueous medium containing, as main carbon source, at least one normal paraffin with from 9 to 20 carbon atoms, inclusive, in the molecule, at a specific pH, and recovering accumulated citric acids from the culture broth.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: July 5, 1983
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takeshi Tabuchi, Matazo Abe
  • Method for producing citric acid
    Patent number: 4389484
    Abstract: Citric acids are produced by culturing a citric acids-accumulating and hydrocarbon-assimilating strain of a yeast of the Genus Candida in an aqueous medium containing, as main carbon source, at least one normal paraffin with from 9 to 20 carbon atoms, inclusive, in the molecule, at a specific pH, and recovering accumulated citric acids from the culture broth.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: June 21, 1983
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takeshi Tabuchi, Matazo Abe