Patents by Inventor Yasuaki Morisada

Yasuaki Morisada 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).

  • Process for producing thrombin
    Patent number: 5945103
    Abstract: The present invention provides a production method of thrombin which can convert prothrombin into thrombin highly efficiently even in the absence of thromboplastin and blood plasma, easily obtain a starting material for use in the conversion of prothrombin into thrombin, and prepare and purify thrombin in an industrial scale. It is characterized in treating a prothrombin-containing aqueous solution with a Ca salt at 0 to 15.degree. C.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: August 31, 1999
    Assignee: The Green Cross Corporation
    Inventors: Shinichi Hanada, Yoshinobu Honda, Yasuaki Morisada, Shoichi Miyake, Isahiko Matsumoto