US Patent Issued to Nippon Electric Glass on Oct. 20 for "Lens unit having lens barrel, ring part, and coating film" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,083, issued on Oct. 20, was assigned to Nippon Electric Glass Co. Ltd. (Shiga, Japan).

"Lens unit having lens barrel, ring part, and coating film" was invented by Mitsuru Tomita (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a lens unit that is for an infrared region and that allows occurrence of a tilt error to be easily suppressed. A lens unit (4) is a lens unit which is used for an infrared region that includes at least any one of wavelengths in a range of 7 micro metre to 14 micro metre, and includes: at least one lens (1, 2, 3) that has a surface on which a coating film is formed; a lens barrel (6) that has a hole (61, ...