Patents by Inventor Tadashi Umezu

Tadashi Umezu 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).

  • Water-soluble biotin-containing preparation
    Patent number: 4277488
    Abstract: A water-soluble biotin-containing preparation prepared by spray-drying an aqueous solution comprising biotin and lactose with ammonia to obtain dried particles. Biotin in this preparation is highly soluble in water.
    Type: Grant
    Filed: April 2, 1980
    Date of Patent: July 7, 1981
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takayoshi Mitsunaga, Kiyoto Chinushi, Tadashi Umezu