ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,629, issued on March 18, was assigned to NEC Corp. (Tokyo) and NEC Platforms Ltd. (Kanagawa, Japan).

"Sensor device and article display shelf" was invented by Jun Uchimura (Tokyo) and Hiroshi Takahashi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a sensor device including: a sensor device including: a sensor unit that emits light and receives light reflected by an object; and a reflection mirror unit that reflects light emitted from the sensor unit. A reflection surface of a reflection mirror included in the reflection mirror unit includes a first part and a second part having lower reflectance than the first part." ...