US Patent Issued to OSAKA UNIVERSITY, JFE CIVIL ENGINEERING & CONSTRUCTION, JFE STEEL on May 13 for "Steel damper for seismic isolation and seismic isolation structure" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,657, issued on May 13, was assigned to OSAKA UNIVERSITY (Suita, Japan), JFE CIVIL ENGINEERING & CONSTRUCTION Corp. (Tokyo) and JFE STEEL Corp. (Tokyo).

"Steel damper for seismic isolation and seismic isolation structure" was invented by Yuki Hatanaka (Osaka, Japan), Susumu Kuwahara (Osaka, Japan), Ryota Tobari (Tokyo), Mitsutoshi Yoshinaga (Tokyo), Kazuaki Miyagawa (Tokyo), Hiromitsu Morioka (Tokyo) and Tomohiro Kinoshita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An upper board fixed to a lower part of a structure; a lower board fixed to a foundation at the same position in a plan view with respect to the upper board; and four seismic is...