US Patent Issued to NIKON on July 28 for "Microscope objective lens, microscope optical system, and microscope device" (Japanese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,507, issued on July 28, was assigned to NIKON Corp. (Tokyo).

"Microscope objective lens, microscope optical system, and microscope device" was invented by Hidetsugu Takagi (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) having positive refractive power, a second lens group (G2) having a concave surface facing the image side, and a third lens group (G3) having a concave surface facing the object side, which are arranged in order from the object side along an optical axis. The first lens group (G1) includes one lens component having positive refractive power, the third l...