ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,137, issued on Feb. 17, was assigned to SEIKO EPSON Corp. (Japan).
"Resonator device" was invented by Ryuta Nishizawa (Nagano, Japan) and Junichi Takeuchi (Chino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resonator device includes: a resonator element; a heat generating unit; a first package including a first base at which the resonator element and the heat generating unit are disposed, and a first lid bonded to the first base so as to accommodate the resonator element between the first lid and the first base; and a low emissivity layer that is disposed at an inner surface of the first lid and that has an emissivity lower than an emissi...