US Patent Issued to HOKKAIDO LABORATORY FOR RESEARCH IN ENVIRONMENT AND ENERGY on Jan. 13 for "Offset optical system including primary mirror and positionally-offset sub-mirror" (Japanese Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,856, issued on Jan. 13, was assigned to HOKKAIDO LABORATORY FOR RESEARCH IN ENVIRONMENT AND ENERGY LLC (Hokkaido, Japan).

"Offset optical system including primary mirror and positionally-offset sub-mirror" was invented by Eiji Asari (Hokkaido, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an optical system having a configuration capable of attaining a large light-gathering power while producing a maximum light-gathering power easily and inexpensively with a minimum material. An offset optical system according to the present invention comprises: a primary mirror composed of at least part of one of two optical element halves obtaine...