Patents by Inventor Akira Kusai

Akira Kusai 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).

  • FORMULATION OF A 5 ALPHA REDUCTASE INHIBITOR FOR ORAL ADMINISTRTION, AND A PREPARATION PROCESS AND USE THEREOF
    Publication number: 20020015732
    Abstract: A formulation of a 5&agr;-reductase inhibitor for oral administration, which comprises a composition obtained by grinding a mixture of an azasteroid, a water-soluble polymer and a disintegrant.
    Type: Application
    Filed: August 4, 1998
    Publication date: February 7, 2002
    Inventors: FUSAO USUI, YUKO OHUCHI, AKIRA KUSAI
  • Method of preparing a freeze-dried formulation containing a drug
    Patent number: 5044091
    Abstract: In a freeze-drying method for producing a dried pharmaceutical compound or preparation, a first liquid is frozen, a second liquid is added to the frozen first liquid and is frozen thereon, and the frozen first and second liquids are freeze-dried together, in which at least one of said first and second liquids contains said pharmaceutical compound of preparation dissolved or suspended therein. The other liquid or liquids may be pure solvent (generally water) or may contain one or more other substances.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: September 3, 1991
    Assignee: Sankyo Company, Limited
    Inventors: Seigo Ueda, Kunio Hashi, Takashi Shiokari, Akira Kusai