Patents by Inventor Shigeyuki Yamano

Shigeyuki Yamano 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).

  • Patent number: 5429939
    Abstract: Disclosed are DNA sequences which are useful for the synthesis of carotenoids such as lycopene, .beta.-carotene, zeaxanthin or zeaxanthin-diglucoside, that is, DNA sequences encoding carotenoid biosynthesis enzymes. These DNA sequences are the sequences 1-6 shown in the specification.Also disclosed is a process for producing a carotenoid or a carotenoid related compound which is selected from the group consisting of geranylgeranyl pyrophosphate, phytoene, lycopene, .beta.-carotene, zeaxanthin and zeaxanthin-diglucoside, which comprises transforming a host with at least one of the DNA sequences 1-6 described above and culturing the transformant.
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: July 4, 1995
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Norihiko Misawa, Kazuo Kobayashi, Katsumi Nakamura, Shigeyuki Yamano
  • Patent number: 5043276
    Abstract: DNA strand having an ability in biotechnological production of .alpha.-acetolactate decarboxylase is disclosed. The DNA strand is characterized in that it has a nucleotide sequence coding for a polypeptide whose amino acid sequence is substantially from A to B of FIG. 1 and which has .alpha.-acetolactate decarboxcylase activity. Also disclosed is a yeast which belongs a Saccharomyces cerevisiae and which has been transformed by the DNA strand. The yeast is characterized by the fact that its .alpha.-acetolactate producing ability is reduced, and will thus produce an alcoholic liquor such as beer which contains no or little diacetyls which have come from their precursor, namely .alpha.-acetolactate.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: August 27, 1991
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Shigeyuki Yamano, Junichi Tanaka, Takashi Inoue