ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,645, issued on June 23, was assigned to CANON K.K. (Tokyo).

"Cell image analysis method for detecting colony change points and non-transitory storage medium" was invented by Shuhei Toba (Kanagawa, Japan) and Yoji Yamamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a cell image analysis method which enables accurate grasping of a change point of a colony in cell culture. The cell image analysis method includes: a data acquisition step of acquiring cell image data generated in time series in the cell culture; a cell region extraction step of extracting cell regions from the cell image data; a data calculation step of calculating...