Patents by Inventor Ryoji Yasue

Ryoji Yasue 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).

  • Microcapsules of the multi-core structure containing natural carotenoid
    Patent number: 5780056
    Abstract: In a microcapsule of the multi-core structure comprising a plurality of particles which are made of a core material comprising natural carotenoid and an edible oil, and a wall which is made of a coating material based on gelatin, the particles have a mean particle size of 0.01-5 .mu.m, the gelatin has a jelly strength of at least 100 blooms, and the microcapsule has a water content of up to 10% by weight. The microcapsule has a strength enough to protect natural carotenoid from oxidation and deterioration for a long time and to withstand tableting pressure.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: July 14, 1998
    Assignee: Lion Corporation
    Inventors: Taku Akamatsu, Ryoji Yasue, Kentaro Kiyama, Noboru Hara