ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,974, issued on July 15, was assigned to Seiko Epson Corp. (Tokyo).
"Colorimetric apparatus" was invented by Hiroshi Yoshida (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A colorimetric apparatus includes: an opening portion that is disposed at a bottom of an apparatus main body and that introduces light arriving from a measurement target to inside the apparatus main body; an incident light processing unit that processes light incident through the opening portion; a rotor that is provided at the bottom of the apparatus main body and is in contact with the measurement target, the rotor having an elliptical shape and being driven to r...