US Patent Issued to Astellas Pharma, KOTOBUKI PHARMACEUTICAL on Feb. 18 for "Pyridazinyl-thiazolecarboxamide compound" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,517, issued on Feb. 18, was assigned to Astellas Pharma Inc. (Tokyo) and KOTOBUKI PHARMACEUTICAL Co. LTD. (Nagano, Japan).

"Pyridazinyl-thiazolecarboxamide compound" was invented by Hideyuki Watanabe (Tokyo), Yohei Seki (Tokyo), Keiichiro Okuyama (Tokyo), Kazuo Kurosawa (Tokyo), Osamu Ikeda (Tokyo), Hiroshi Tomiyama (Nagano, Japan), Yoshinori Iwai (Nagano, Japan), Akihiko Nakamura (Nagano, Japan) and Kozo Miyasaka (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 ...