US Patent Issued to NIKON on Aug. 18 for "Microscope objective lens, microscope device, and microscope optical system" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,633, issued on Aug. 18, was assigned to NIKON Corp. (Tokyo).

"Microscope objective lens, microscope device, and microscope optical system" was invented by Yuta Kusui (Kamakura, Japan) and Kazuhiro Takasago (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microscope objective lens (OL) includes a first lens group (G1) and a second lens group (G2) arranged in order from the object side. The first lens group has positive refractive power and converts luminous flux from an object into convergent luminous flux. The second lens group has negative refractive power and converts the convergent luminous flux from the first lens group into par...