Patents by Inventor Hidehiko Nakano

Hidehiko Nakano 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).

  • Effervescent composition, its production and use
    Patent number: 5223246
    Abstract: The present invention provides a water-soluble effervescent composition prepared by hot-melting (i) an active component and (ii) an acid and a carbonate for effervescing, both in powdery or granular state, with (iii) a water-soluble adjuvant whose melting point is not lower than 40.degree. C., for addition to drinking water.
    Type: Grant
    Filed: February 11, 1991
    Date of Patent: June 29, 1993
    Assignees: Takeda Chemical Industries, Ltd., Otsuka Pharmaceutical Co., Ltd.
    Inventors: Sadao Kondo, Hidehiko Nakano, Tsuneo Uno
  • Method of producing microcapsules and resulting product
    Patent number: 4102806
    Abstract: A novel and industrially feasible method of producing microcapsules, which comprises dissolving an oil-and-fat in an organic solvent by heating, dispersing a core material in the resultant solution, cooling the dispersion with stirring to coacervate the oil-and-fat on the core material, and separating and drying the resultant encapsulated particulate products.
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: July 25, 1978
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Sadao Kondo, Hidehiko Nakano