Patents by Inventor Kazuyo Sogo

Kazuyo Sogo 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).

  • Trigger factor expression plasmids
    Patent number: 6197547
    Abstract: An artificial operon comprising genes encoding each of a trigger factor, GroEL and GroES, an expression plasmid carrying the operon, an expression plasmid carrying a gene encoding the trigger factor, a cotransformant harboring an expression vector for a foreign protein and any one of the expression plasmids, and a method for producing a foreign protein comprising expressing a foreign protein by the use of the cotransformant, which are capable of expressing a foreign protein in a solubilized form and in a state of having a correct conformation.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: March 6, 2001
    Assignee: HSP Research Institute, Inc.
    Inventors: Kazuyo Sogo, Hideki Yanagi, Takashi Yura
  • Chaperone expression plasmids
    Patent number: 6159708
    Abstract: An artificial operon comprising polynucleotides encoding each of chaperones DnaK, DnaJ and GrpE; an expression plasmid carrying the operon; a cotransformant prepared by introducing the expression plasmid into E. coli together with a foreign protein expression vector; and a method for producing a foreign protein comprising using the cotransformant.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: December 12, 2000
    Assignee: HSP Research Institute, Inc.
    Inventors: Kazuyo Sogo, Hideki Yanagi, Takashi Yura