ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,446, issued on March 11, was assigned to Fujikura Ltd. (Tokyo).
"Variable resistor" was invented by Masami Watanabe (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variable resistor includes: a first substrate having a first main surface; a resistor disposed on the first main surface; a first wiring pattern disposed on the first main surface and connected to the resistor; a spacer having an opening; a second substrate that: has second and third main surfaces, and is disposed on the first substrate via the spacer such that the second main surface is opposed to the first main surface; a connecting body that is: disposed on the second m...