Patents by Inventor Toshiaki Okhuma

Toshiaki Okhuma 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).

  • Novel drug carrier and pharmaceutical preparation comprising the same
    Patent number: 4690822
    Abstract: The invention relates to a pharmaceutical oral capsule preparation filled with a substantially anhydrous mixture which is in solid or semi-solid form comprising:(a) a drug or a drug treated by a conventional manner, each of which is in solid form, and(b) a drug carrier which is a semi-solid mixture comprising a selected aqueous polymer and a selected liquid oil, the ratio of aqueous polymer to liquid oil by weight being 2:1 to 1:40.
    Type: Grant
    Filed: March 12, 1986
    Date of Patent: September 1, 1987
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Toshinobu Uemura, Toshiaki Okhuma, Kiyohide Shinooka, Hiroshi Ishikuro, Yoshio Ueda