ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,107, issued on June 17, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Physical quantity detection device" was invented by Nobuaki Gorai (Hitachinaka, Japan), Akira Uenodan (Hitachinaka, Japan), Naoki Saito (Hitachinaka, Japan) and Takahiro Miki (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a physical quantity detection device configured to reduce an influence of a resonance phenomenon of sound pressure on flow rate characteristics. The physical quantity detection device according to the present invention includes: a housing arranged in the main passage; a sub-passage ...