Patents by Inventor Megumi Okuhira

Megumi Okuhira 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).

  • Gynosaponins, their use and a process for preparing the same
    Patent number: 4339442
    Abstract: There disclose a group of new saponins designated as gynosaponins which have been isolated from a plant of Gynostemma pentaphyllum Makino of Cucurbitaceae, pharmaceutical use thereof and a method for isolating gynosaponins.
    Type: Grant
    Filed: November 7, 1980
    Date of Patent: July 13, 1982
    Inventors: Tsunematsu Takemoto, Shigeru Arichi, Shigenobu Arihara, Tadashi Nakajima, Megumi Okuhira, Yoshihiro Uchida
  • Glycosides having sweetness
    Patent number: 4084010
    Abstract: Glycosides having an excellent sweetness and hydrolysate thereof of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are each hydrogen, a residue of .beta.-D-glucose, or a residue of an oligosaccharide comprising not more than four D-glucose having 1,2-, 1,4- and/or 1,6-bond, provided that the total number of D-glucose residue in R.sub.1 and R.sub.2 is not more than 6, which is isolated from a fruit of a plant of Cucurbitaceae, particularly Momordica grosvenori Swingle (e.g. Fructus Momordicae) and said hydrolysates are produced by hydrolyzing the glycosides with an enzyme.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: April 11, 1978
    Assignees: Tsunematsu Takemoto, Nippon Shoji Kaisha, Ltd.
    Inventors: Tsunematsu Takemoto, Tadashi Nakajima, Shigenobu Arihara, Megumi Okuhira