US Patent Issued to MITUTOYO on May 12 for "Optical device" (Japanese Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,365, issued on May 12, was assigned to MITUTOYO Corp. (Kawasaki, Japan).

"Optical device" was invented by Keiji Murata (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device comprises: an image forming lens; an objective lens; an imaging device; a beam splitter; a coaxial epi-illumination optical system; and an optical damper having a damper surface. The beam splitter, the image forming lens, and the imaging device are arranged along an optical axis of the objective lens. An optical axis of the coaxial epi-illumination optical system is perpendicular to the optical axis of the objective lens. The beam splitter and the optic...