Patents by Inventor Akiko Ohara

Akiko Ohara 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).

  • Method for producing ester of (S)-.gamma.-halogenated-.beta.-hydroxybutyric acid
    Patent number: 5891685
    Abstract: Microbial cells and/or a preparation thereof of a microorganism is allowed to act on ester of .gamma.-halogenated-acetoacetic acid, and its carbonyl group at .beta.-position is stereospecifically reduced to produce ester of (S)-.gamma.-halogenated-.beta.-hydroxybutyric acid in a short period of time at a highly accumulated degree and at a high yield, the microorganism being selected from the group consisting of those belonging to the genera Phoma, Nectria, Pseudonectria, Spondylocladium, Melanospora, Metarhizium, Gliocladium, Pestalotia, Pestalotiopsis, Curvularia, Hormonema, Sydowia, Sarcinomyces, Dothiora, Xanthothecium, Dothidea, Pringsheimia, and Selenophoma.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: April 6, 1999
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masahiro Yamagishi, Yukie Takai, Takashi Mikawa, Mari Hara, Makoto Ueda, Akiko Ohara