Patents by Inventor Roy Kuramoto

Roy Kuramoto 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).

  • Directly-compressible naproxen or naproxen sodium compositions
    Patent number: 5470580
    Abstract: The present invention relates to directly-compressible naproxen or naproxen sodium compositions comprising spray-dried naproxen or naproxen sodium. The present invention further relates the processes for preparing the directly-compressible naproxen or naproxen sodium compositions, to aqueous mixtures containing naproxen or sodium naproxen suitable for spray-drying and useful in the processes for preparing the directly-compressible compositions, to naproxen or naproxen sodium tablets prepared from the directly-compressible compositions, and to the processes for preparing the naproxen or naproxen sodium tablets.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: November 28, 1995
    Assignee: Syntex Pharmaceuticals International Limited
    Inventors: Roy Kuramoto, Zakauddin T. Chowhan, Ranal O. Pendleton, Hafez Hafezzadeh
  • Directly-compressible naproxen or naproxen sodium compositions
    Patent number: 5358717
    Abstract: The present invention relates to directly-compressible naproxen or naproxen sodium compositions comprising spray-dried naproxen or naproxen sodium. The present invention further relates the processes for preparing the directly-compressible naproxen or naproxen sodium compositions, to aqueous mixtures containing naproxen or sodium naproxen suitable for spray-drying and useful in the processes for preparing the directly-compressible compositions, to naproxen or naproxen sodium tablets prepared from the directly-compressible compositions, and to the processes for preparing the naproxen or naproxen sodium tablets.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: October 25, 1994
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Roy Kuramoto, Zakauddin T. Chowhan, Randal O. Pendleton, Hafez Hafezzadeh