Patents by Inventor Akira Utsuo

Akira Utsuo 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: 4089333
    Abstract: Method of treating a wound or burn which comprises directly dressing its surface with non-woven fabric comprising staple fibers of spun, regenerated collagen substantially free of telopeptides is disclosed.
    Type: Grant
    Filed: June 22, 1976
    Date of Patent: May 16, 1978
    Assignee: Nippi, Incorporated
    Inventors: Akira Utsuo, Katsumi Matsutomo