US Patent Issued to Evident on June 30 for "Objective and method of assembling objective" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,670, issued on June 30, was assigned to Evident Corp. (Kamina-Gun, Japan).

"Objective and method of assembling objective" was invented by Asuka Yamamoto (Tokyo), Daiki Horiba (Kanagawa, Japan), Zheng Li (Tokyo) and Hideto Yamashita (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An objective includes: an objective barrel; a plurality of lens sub-assemblies stacked in an optical axis direction of the objective in the objective barrel, each of the plurality of lens sub-assemblies including a lens and a lens frame holding the lens; and a screw member screwed into the objective barrel, the screw member pressing the plurality of lens sub-as...