ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,478, issued on May 12, was assigned to Ricoh Co. Ltd. (Tokyo).

"Thermosensitive recording layer forming liquid, thermosensitive recording medium and production method thereof, and image recording method" was invented by Shohta Koide (Shizuoka, Japan), Kazumasa Noda (Shizuoka, Japan) and Takahiro Shibata (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a thermosensitive recording medium including a support and a thermosensitive recording layer disposed on or above the support. The thermosensitive recording layer include a compound represented by General Formula (1) and a styrene-acryl resin, where, in General Formula (1), R2...