ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,308, issued on March 3, was assigned to OLYMPUS Corp. (Tokyo).
"Image pickup unit, endoscope, and method for manufacturing image pickup unit" was invented by Hiroshi Kobayashi (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image pickup unit includes a first optical device including a lens and a spacer arranged around the lens and having a circular inner circumference, the spacer having a thickness continuously decreasing outward, an adhesive layer disposed on an adhesive surface of the spacer of the first optical device, a second optical device adhered to the first optical device by the adhesive layer, and an imager receiving light...