Patents by Inventor Toshiaki Hosaka

Toshiaki Hosaka 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).

  • Patent number: 6280993
    Abstract: An isolated DNA encoding a class I collagenase, particularly, the isolated DNA encoding the class I collagenase from Clostridium histolyticum, a vector containing the gene, a transformant containing the vector, a class I collagenase, and a method of preparing the class I collagenase are disclosed.
    Type: Grant
    Filed: August 24, 1999
    Date of Patent: August 28, 2001
    Inventors: Ichiro Yamato, Toshiaki Hosaka