ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,109, issued on March 11, was assigned to Toshiko Yoshida (Toyama, Japan) and SAKURA SEIKI Co. LTD. (Nagano, Japan).

"Regeneration of tendon and tendon sheath, restoration material, and use of restoration material" was invented by Toshiko Yoshida (Toyama, Japan), Motonori Okabe (Toyama, Japan), Ryusuke Osada (Toyama, Japan), Mineyuki Zukawa (Toyama, Japan) and Masahiko Arakawa (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide a dried amniotic membrane that promotes regeneration of a tendon and a tendon sheath when a tendon injury has occurred and that reduces loss of the motor function of fingers of upper limbs an...