Patents by Inventor Satoshi Matsumiya

Satoshi Matsumiya 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).

  • Process for the preparation of metabolites of Ginseng saponins
    Patent number: 5925537
    Abstract: According to this invention, Prevotella sp. S-1 strain (Bacteroidaceae family, KFCC-10923) is cultured in a medium supplemented with Panax ginseng saponin so as to collect the metabolites of saponin generated and accumulated in the medium, thus ensuring their selective production with high efficiency.This invention related to a process for the preparation of the metabolites of protopanaxadiol saponin, wherein Prevotella sp. S-1 strain (Bacteroidaceae family, KFCC-10923), is cultured at a medium supplemented with Panax ginseng saponin and then, the metabolites of protopanaxadiol saponin contained in the medium--20-O-.beta.-D-glucopyranosyl-20(s)-protopanaxadiol, 20-O-?.alpha.-L-arabinopyranosyl-20(s)-protopanaxadiol, and 20-0-?.alpha.-L-arabinopuranosyl(1.fwdarw.6)-.beta.-D-glucopyranosyl!-20(s )-protopanaxadiol --are generated and accumulated for collecting them thereof.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: July 20, 1999
    Assignees: Il Hwa Co., Ltd., Happy World Inc.
    Inventors: Jong Hwan Sung, Jae Doo Huh, Hideo Hasegawa, Satoshi Matsumiya, Masamori Uchiyama