Patents by Inventor Takayuki Tsukuda

Takayuki Tsukuda 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).

  • Publication number: 20030157174
    Abstract: A burst caused by an action of digestive organs can be suppressed and a release of an active ingredient can be controlled without decreasing the dissolution of an active ingredient by adding a water repellent agent into an enteric coat, an inner layer, an outer layer or such layers.
    Type: Application
    Filed: September 20, 2002
    Publication date: August 21, 2003
    Inventors: Takayuki Tsukuda, Hidekazu Syodai, Hajime Sezaki, Yusuke Suzuki