Patents by Inventor Minoru Tsuruta

Minoru Tsuruta 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).

  • Apparatus for amino acid fermentation
    Patent number: 5260216
    Abstract: Amino acid fermentation is conducted by fermenting using bacterial cells in a culture medium in a fermentor and separating fermentation solution withdrawn from the fermentor into a solution containing the bacterial cells and a solution not containing bacterial cells by a cell separator, the solution containing the bacterial cells being circulated from the cell separator to the fermenter by a circulating device to perform amino acid fermentation continuously, and bubbles being removed from the fermentation solution by a bubble separator before the fermentation solution is fed to the circulating device and the cell separator.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: November 9, 1993
    Assignee: Ajinomoto Co., Inc.
    Inventors: Toshiki Hirose, Minoru Tsuruta, Koji Tamura, Yoshitomo Uehara, Harufumi Miwa