ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,613, issued on May 20, was assigned to KOKEN Co. LTD. (Tokyo) and OSAKA UNIVERSITY (Osaka, Japan).
"High-strength collagen sponge" was invented by Ken Nakata (Osaka, Japan) and Gaku Kanno (Yamagata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a collagen sponge excellent in mechanical strength and a production method for the collagen sponge. A collagen sponge including a porous construct having a pore structure, the collagen sponge having a tensile strength of 1 N or more and 5 N or less in every direction including a length direction and a width direction. The collagen sponge may be produced by a production method including the f...