Patents by Inventor Kimio Katsuta

Kimio Katsuta 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).

  • Tissue plasminogen activator and process of preparation
    Patent number: 5739012
    Abstract: The present invention relates to improved plasminogen activators (improved t-PA) which have a prolonged biological half life, an increased stability to heat and acids and can be expected to be effective as inhibiting inflammation around the site in which thrombus is formed.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: April 14, 1998
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Yasushi Kawauchi, Toshiyuki Takemoto, Makoto Takayama, Masami Yokota, Masao Kato, Kimio Katsuta
  • Tissue plasminogen activator and method of use
    Patent number: 5556621
    Abstract: The present invention relates to improved plasminogen activators (improved t-PA) which have a prolonged biological half life, an increased stability to heat and acids and can be expected to be effective as inhibiting inflammation around the site in which thrombus is formed.
    Type: Grant
    Filed: May 4, 1994
    Date of Patent: September 17, 1996
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Yasushi Kawauchi, Toshiyuki Takemoto, Makoto Takayama, Masami Yokota, Masao Kato, Kimio Katsuta, Hiroshi Gushima