ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,536, issued on Nov. 25, was assigned to EAGLE INDUSTRY Co. LTD. (Tokyo).
"Pressure applying device" was invented by Yoshihiro Ogawa (Tokyo), Kuniaki Miyake (Tokyo) and Noriyuki Ogawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a pressure applying device capable of applying pressure to a working object with a substantially constant force through a compact structure. The pressure applying device includes a pressure accumulating portion; a piston including a small-diameter portion inserted into a cylinder portion on a pressure accumulating portion side, and a large-diameter portion disposed close to a working object W; and a...