US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on May 13 for "Coating condition detection method, coating condition detection device, and optical fiber manufacturing method" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,143, issued on May 13, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Coating condition detection method, coating condition detection device, and optical fiber manufacturing method" was invented by Tadashi Enomoto (Osaka, Japan) and Takahiro Saito (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "This coating condition detection method according to one embodiment uses a simple device structure to detect the coating condition of a resin layer of a coated fiber. Under the coating condition detection method, an imaging optical system including a reflection mirror having a guide hole through which the optical fiber passes ...