ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,750, issued on Feb. 10, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Physical quantity measurement device" was invented by Masato Satou (Nara, Japan), Motoyuki Nawa (Nara, Japan), Asako Miyoshi (Kyoto, Japan), Masataka Matsuda (Kyoto, Japan) and Yuuji Nakabayashi (Nara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The physical quantity measurement device includes a secondary flow path disposed outside a multilayer unit and configured to connect an upstream opening to a downstream opening. The secondary flow path is disposed gravitationally below a primary flow path. Ultrasonic transducers are disposed ...