ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,447, issued on March 11, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).
"Thick film resistor paste, thick film resistor, and electronic component" was invented by Masaki Ando (Tokyo) and Takahito Nagano (Ome, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a thick film resistor paste for a resistor having no abnormalities of cracks in appearance and sufficient surge resistance, especially for low resistance, while using lead borosilicate glass, a thick film resistor using the thick film resistor paste, and an electronic component provided with the thick film resistor. A thick film resistor paste comprises a ruthenium-oxide-...