Patents by Inventor Tetsuya Ebihara

Tetsuya Ebihara 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 preparing collagen beads
    Patent number: 5424084
    Abstract: Collagen beads prepared by adding spherical droplets of an aqueous liquid of collagen to an aqueous solution of tannin. The collagen beads show a uniform grain size and have either a two-layered structure consisting of an aqueous liquid sustained inside a solidified outer surface or a completely solidified form.
    Type: Grant
    Filed: November 2, 1993
    Date of Patent: June 13, 1995
    Assignee: Nippi, Incorporated
    Inventors: Tetsuya Ebihara, Yasushi Okamoto