US Patent Issued to HOYA on Aug. 12 for "Endoscope having a joining portion in which liquid and gas join" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,123, issued on Aug. 12, was assigned to HOYA Corp. (Tokyo).

"Endoscope having a joining portion in which liquid and gas join" was invented by Toshiyuki Katayama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An endoscope capable of preventing a liquid in a liquid path from being sucked up and injected together with a gas at the time of an air supply operation. In an endoscope including a liquid path through which a liquid passes and a gas path through which a gas passes, and in which a joining recessed portion in which the liquid and the gas join is formed in a distal end portion, one end side of the liquid path and one end side of the gas pa...