US Patent Issued to Daiichi Sankyo on Jan. 20 for "Cycloalkane-1,3-diamine derivative" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,822, issued on Jan. 20, was assigned to Daiichi Sankyo Co. Ltd. (Tokyo).

"Cycloalkane-1,3-diamine derivative" was invented by Kenji Yoshikawa (Chuo-ku, Japan), Noriyasu Haginoya (Chuo-ku, Japan), Tomoaki Hamada (Chuo-ku, Japan), Ryutaro Kanada (Chuo-ku, Japan), Jun Watanabe (Chuo-ku, Japan), Yoshiko Kagoshima (Chuo-ku, Japan), Eri Tokumaru (Chuo-ku, Japan), Kenji Murata (Chuo-ku, Japan), Takayuki Baba (Chuo-ku, Japan), Mayumi Kitagawa (Chuo-ku, Japan), Akiko Kurimoto (Chuo-ku, Japan), Masashi Numata (Chuo-ku, Japan), Machiko Shiroishi (Chuo-ku, Japan) and Taeko Shinozaki (Chuo-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present inve...