Patents by Inventor Tetsuroh Ichiba

Tetsuroh Ichiba 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).

  • Method for stabilizing preparation
    Patent number: 7867514
    Abstract: Disclosed is a method for stabilizing a solid pharmaceutical preparation containing a pharmacological substance and sodium lauryl sulfate, the method comprising incorporating into the preparation at least one member selected from the group consisting of neutral salts, basic salts and basic substances. The preparation containing sodium lauryl sulfate prepared by the method of the invention has superior performance, including high storage stability, suppression of discoloration and deterioration, and prevention of change in its properties, such as the dissolution rate of pharmacological substance from the preparation.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: January 11, 2011
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Yuso Tomohira, Tadashi Mukai, Minoru Kashimoto, Masakazu Nagasawa, Tetsuroh Ichiba, Daisuke Kuribayashi, Yoshikazu Oka, Hajime Toguchi
  • Method for stabilizing preparation
    Publication number: 20030161873
    Abstract: Disclosed is a method for stabilizing a solid pharmaceutical preparation containing a pharmacological substance and sodium lauryl sulfate, the method comprising incorporating into the preparation at least one member selected from the group consisting of neutral salts, basic salts and basic substances. The preparation containing sodium lauryl sulfate prepared by the method of the invention has superior performance, including high storage stability, suppression of discoloration and deterioration, and prevention of change in its properties, such as the dissolution rate of pharmacological substance from the preparation.
    Type: Application
    Filed: November 21, 2002
    Publication date: August 28, 2003
    Inventors: Yuso Tomohira, Tadashi Mukai, Minoru Kashimoto, Masakazu Nagasawa, Tetsuroh Ichiba, Daisuke Kuribayashi, Yoshikazu Oka, Hajime Toguchi