ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,445, issued on Dec. 2, was assigned to OLYMPUS MEDICAL SYSTEMS CORP. (Tokyo).

"Image pickup unit and endoscope" was invented by Takanori Sekido (Sagamihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image pickup unit includes: a three-dimensional wiring board having a recess; a stacked device including multiple optical elements and an image pickup device housed in the recess; and sealing resin filling a gap between the recess and the stacked device, in which the multiple optical elements include a composite element having a first optical member and a second optical member disposed on the first optical member, the second optical member h...