US Patent Issued to NTT on March 3 for "Optical transmitter" (Japanese Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,567,907, issued on March 3, was assigned to NTT Inc. (Tokyo).

"Optical transmitter" was invented by Shigeru Kanazawa (Musashino, Japan), Takahiko Shindo (Musashino, Japan), Meishin Chin (Musashino, Japan) and Yasuhiko Nakanishi (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The optical loss of the output light of the first light source transmitted through the optical multiplexer is suppressed. An optical transmitter includes: a first light source; one or more second light sources having mutually different wavelengths and each having a wavelength different from that of the first light source; an optical multiplexer that transmits output...