ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,896, issued on March 25, was assigned to OLYMPUS Corp. (Tokyo).
"Endoscope distal end frame and endoscope" was invented by Masaki Otsuka (Hachioji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An endoscope distal end frame includes: a holder including a first through hole, the holder being a primary molding made of a colored resin; and a distal end part including a second through hole that is concentric with the first through hole, the distal end part being a secondary molding made of a transparent resin layered on the holder. The first through hole has a diameter larger than a diameter of the second through hole."
The patent was filed on ...