Patents by Inventor Naoki Hirashima

Naoki Hirashima 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).

  • Solid compositions containing compounds unstable to oxygen and method for stabilization thereof
    Publication number: 20050118202
    Abstract: The present invention aims at stabilizing a solid composition containing a nitrogenous fused-heterocycle compound unstable to oxygen to provide a stable pharmaceutical preparation. The stabilization can be attained by keeping the equilibrium moisture content at 10% or above and/or adding ascorbic acid or a salt thereof, by preliminarily applying a film coating free from light blocking agents, or by applying one or more packaging selected from among oxygen-barrier packaging, inert gas replacement packaging, vacuum packaging and sealing packaging with an oxygen absorber.
    Type: Application
    Filed: December 18, 2002
    Publication date: June 2, 2005
    Inventors: Akio Yamashita, Naoki Hirashima, Muneo Nonomura