ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,009, issued on Dec. 9, was assigned to NUVOTON TECHNOLOGY CORPORATION JAPAN (Kyoto, Japan).
"Hydrogen sensor" was invented by Kazunari Homma (Gifu, Japan), Satoru Ito (Hyogo, Japan) and Koji Katayama (Nara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrogen sensor includes a first electrode that is a planar electrode; a second electrode that is a planar electrode facing the first electrode and includes an exposed portion to be exposed to a gas containing hydrogen; a metal oxide layer disposed between the two facing surfaces of the first electrode and the second electrode and having the resistance value that is changed by the exposed port...