Patents by Inventor Huei-Che B. Yen

Huei-Che B. Yen 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).

  • Phytoene biosynthesis in genetically engineered hosts
    Patent number: 5545816
    Abstract: DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase and phytoene synthase, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes and phytoene by recombinant DNA technology in transformed host organisms are disclosed.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: August 13, 1996
    Assignee: Amoco Corporation
    Inventors: Rodney L. Ausich, Friedhelm L. Brinkhaus, Indrani Mukharji, John Proffitt, James Yarger, Huei-Che B. Yen
  • Beta-carotene biosynthesis in genetically engineered hosts
    Patent number: 5530188
    Abstract: DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase, phytoene dehydrogenase-4H and lycopene cyclase, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes and beta-carotene by recombinant DNA technology in transformed host organisms are disclosed.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: June 25, 1996
    Assignee: Amoco Corporation
    Inventors: Rodney L. Ausich, Friedhelm L. Brinkhaus, Indrani Mukharji, John Proffitt, James Yarger, Huei-Che B. Yen
  • Lycopene biosynthesis in genetically engineered hosts
    Patent number: 5530189
    Abstract: DNA segments encoding the Erwinia enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase and phytoene dehydrogenase-4H, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes and lycopene by recombinant DNA technology in transformed host organisms are disclosed.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: June 25, 1996
    Assignee: Amoco Corporation
    Inventors: Rodney L. Ausich, Friedhelm L. Brinkhaus, Indrani Mukharji, John Proffitt, James Yarger, Huei-Che B. Yen