ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,895, issued on Oct. 20, was assigned to Osaka Gas Co. Ltd. (Osaka, Japan) and KRI INC. (Kyoto, Japan).
"Gas detection method and gas detection device" was invented by Hajime Kinoshita (Kyoto, Japan) and Mayumi Kuriyama (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The method includes a preparation step of changing a current value or a voltage value of a power storage device; a first measurement step of obtaining a first internal resistance that is an internal resistance when a predetermined first period of time has elapsed from start of change in the current value or the voltage value in the preparation step; a second measurement step...