ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,547, issued on Aug. 26, was assigned to SEIKO EPSON Corp. (Japan).
"Liquid discharge apparatus" was invented by Masahiko Tsuyuki (Chino, Japan) and Makoto Takamuku (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a liquid discharge apparatus, in which a substrate unit having a first connector and a piezoelectric element, a reference voltage signal output circuit, an electrolytic capacitor, and a wiring substrate having a plurality of rigid members and a flexible member, the reference voltage signal output circuit has a first front surface and is provided on a first rigid member laminated on the first surface of the ...