Patents by Inventor Yuji Uchihori

Yuji Uchihori 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).

  • Counterflow prevention system for a fermentation tank
    Patent number: 5206172
    Abstract: A possible counterflow of a fermenting solution (8) from a fermentation tank (1) into a heating medium supply pipe (2), which counterflow may be caused by a pressure difference arising between the inner space (7) of the tank (1) and the pipe (2) after the supply of a heating medium is finished, is prevented by making the pressure difference disappear with a check valve (6) connected to the pipe (2) in the direction from the inner space (7) of the tank (1) to the pipe (2).
    Type: Grant
    Filed: June 13, 1991
    Date of Patent: April 27, 1993
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yuji Uchihori, Goichi Aimoto, Toshihiko Nakayama
  • Process for producing L-sorbose by subculture of seed
    Patent number: 4945048
    Abstract: A process for producing L-sorbose which comprises culturing a L-sorbose-producing bacterium to obtain a seed culture and subjecting the seed culture to a main fermentation with a batchwise fermentation procedure, wherein a part of said seed culture being subjected to subculture to prepare a seed culture for a next batch, while carrying out the main fermentation with the remainder of said seed culture, and this procedure being repeated, successively. An apparatus for this process is also disclosed.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: July 31, 1990
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yuji Uchihori, Yasushi Sekitani, Ikuo Yoshida