US Patent Issued to CANON on Sept. 8 for "Diffractive optical element, optical system, image pickup apparatus, and display apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,331, issued on Sept. 8, was assigned to CANON K.K. (Tokyo).

"Diffractive optical element, optical system, image pickup apparatus, and display apparatus" was invented by Mikio Kobayashi (Tochigi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diffractive optical element includes a diffractive area including annular sections concentrically arranged. At least one of the annular sections has a non-circular shape. A predetermined inequality is satisfied."

The patent was filed on Jan. 2, 2024, under Application No. 18/401,763.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?S...