Patents by Inventor Shinitiro Haze

Shinitiro Haze 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).

  • Biotin operon
    Patent number: 5885792
    Abstract: A DNA sequence of high biotin operon-expression system usable for breeding a bacterium having excellent biotin productivity is provided.A DNA sequence of biotin operon characterized in the fact that at least one base pair of either a nucleotide sequence of the regulatory region of the biotin operon of Escherichia coli or a nucleotide sequence in the vicinity of the bioB initiating codon is mutated in comparison with that of the one in its wild type strain is provided. Escherichia coli transformed with a recombinant plasmid carrying such a DNA sequence has high biotin-productivity.
    Type: Grant
    Filed: September 14, 1992
    Date of Patent: March 23, 1999
    Assignee: Shiseido Company, Ltd.
    Inventors: Ohji Ifuku, Shinitiro Haze, Jiro Kishimoto, Kazuo Nakahama