Patents by Inventor Kanshiro Kitagaki

Kanshiro Kitagaki 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).

  • External preparation composition
    Patent number: 4886667
    Abstract: This invention relates to an external preparation composition containing Ratanhia extract and/or Ratanhiaphenol as a main active component for showing an antibacterial and antifungal action against pathogenic bacteria and fungi to be cause for infections skin diseases.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: December 12, 1989
    Assignee: Sato Pharmaceutical Co., Ltd.
    Inventors: Kanshiro Kitagaki, Keiko Ebihara, Shigeo Morioka, Takao Nakamura, Taizo Okada