Patents by Inventor Hirohsi Uchida

Hirohsi Uchida 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).

  • Controlled-release composition and the preparation thereof
    Patent number: 5151434
    Abstract: A controlled-release pharmaceutical preparation of 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine. The controlled-release preparation is in the form of powder or granule containing 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine, coated with medically non-active substance or in the form of rectal suppository containing 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine. Further the controlled-release is prepared by implanting 3-isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine in fatty materials, or granulating it and coating the resultant particles with medically non-active substance.
    Type: Grant
    Filed: December 12, 1989
    Date of Patent: September 29, 1992
    Assignee: Kyorin Seiyaku Kabushiki Kaisha
    Inventors: Tsutomu Irikura, Hirohsi Uchida, Jun Imai, Masakatsu Komuro