ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,454, issued on Sept. 30, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).
"Gas sensor" was invented by Yusuke Watanabe (Nagoya, Japan), Shotaro Niizuma (Kasugai, Japan), Toshihiro Hirakawa (Kasugai, Japan) and Hayami Aota (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas sensor includes: a laminate including at least one layer made of a solid electrolyte; a measured gas flow path formed in the laminate; and a pump electrode exposed in the measured gas flow path. In a part of a rear end side region, the pump electrode is sandwiched between a first layer and a second layer or is covered with a covering layer formed on the inner ...