US Patent Issued to SEIKO EPSON on Oct. 21 for "Positive displacement machine, compressor, cooling device, and electronic apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,168, issued on Oct. 21, was assigned to SEIKO EPSON Corp. (Tokyo).

"Positive displacement machine, compressor, cooling device, and electronic apparatus" was invented by Osamu Katsuda (Matsumoto, Japan), Hidemasa Yamakawa (Matsumoto, Japan), Kaname Nagatani (Matsumoto, Japan) and Tomoki Abe (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive displacement machine includes a case including a tubular guide part in which a pressure chamber is provided, a slide member including a shaft extending in a first direction and a piston provided at an end portion of the shaft and disposed in the guide part, a coupling member coupled to the...