ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,634, issued on April 21, was assigned to DAIICHI SANKYO COMPANY Ltd. (Tokyo).

"Antibody-pyrrolobenzodiazepine derivative conjugate which binds caludin-6 and claudin-9" was invented by Narihiro Toda (Tokyo), Yusuke Ota (Tokyo), Fuminao Doi (Tokyo), Masaki Meguro (Tokyo), Ichiro Hayakawa (Tokyo), Shinji Ashida (Tokyo), Takeshi Masuda (Tokyo), Takashi Nakada (Tokyo), Mitsuhiro Iwamoto (Tokyo), Naoya Harada (Tokyo), Tomoko Terauchi (Tokyo), Daisuke Okajima (Tokyo), Kensuke Nakamura (Tokyo), Hiroaki Uchida (Tokyo) and Hirofumi Hamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a novel antibody-pyrrolodiazepine de...