ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,299, issued on Nov. 18, was assigned to Osaka University (Osaka, Japan) and Japan as Represented by Director General of National Institute of Health Sciences (Kanagawa, Japan).

"Cross-linked nucleoside and nucleotide using same" was invented by Satoshi Obika (Osaka, Japan), Takao Yamaguchi (Osaka, Japan), Yota Sakurai (Osaka, Japan), Chika Yamamoto (Osaka, Japan), Kei Sugita (Osaka, Japan), Takao Inoue (Kawasaki, Japan) and Tokuyuki Yoshida (Kawasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cross-linked nucleoside of the present invention is a compound represented by the formula (I) below. The cross-linked nucleoside of the present in...