Patents by Inventor Osamu Uejima

Osamu Uejima 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).

  • Cosmetic composition containing inclusion product with hydroxyalkylated cyclodextrin
    Patent number: 5447920
    Abstract: A cosmetic composition comprising an inclusion product having a slightly water-soluble component with a hydroxyalkylated cyclodextrin formulated therein.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: September 5, 1995
    Assignee: Shiseido Company Ltd.
    Inventors: Hajime Matsuda, Kenzo Ito, Akio Taki, Osamu Uejima
  • Galactosyl maltooligosaccharide derivatives
    Patent number: 5378831
    Abstract: Galactosyl maltooligosaccharide derivatives represented by formula (1): ##STR1## wherein at least one of X.sub.1 and X.sub.2 represents a galactosyl group and the other represents a hydrogen atom, R represents a hydrogen atom or a substituted or unsubstituted phenyl group, and n is an integer of from 2 to 5. The derivatives are prepared by reacting a sugar with a galactosyl group with a maltooligosaccharide represented by formula (2): ##STR2## R represents a hydrogen atom or a substituted or unsubstituted phenyl group, and n is an integer of from 2 to 5; in the presence of .alpha.-galactosidase or .beta.-galactosidase. The derivatives are used for measurement of .alpha.-amylase activity.
    Type: Grant
    Filed: September 4, 1992
    Date of Patent: January 3, 1995
    Assignees: Nihon Shokuhin Kako Co., Ltd., Yaizu Suisan Kagaku Kogyou Co., Ltd.
    Inventors: Taichi Usui, Osamu Uejima, Koichi Ogawa