ALEXANDRIA, Va., July 15 -- United States Patent no. 12,666,633, issued on June 23, was assigned to DENSO Corp. (Kariya-city, Japan).
"Signal transmission device" was invented by Shuji Asano (Kariya-city, Japan), Koichi Yako (Kariya-city, Japan) and Akira Yamada (Kariya-city, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A signal transmission device having a capacitor coupler includes a semiconductor substrate, a low voltage circuit region, an insulating film formed on the semiconductor substrate, a lower electrode formed on the semiconductor substrate via the insulating film, and an upper electrode disposed opposite to the lower electrode via the insulating film interposed therebetween. A shield port...