ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,299, issued on Nov. 11, was assigned to Fujitsu Ltd. (Kawasaki, Japan).

"Optical transmitter that includes optical modulator" was invented by Yukito Tsunoda (Sagamihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transmitter includes: an optical modulator that includes a Mach-Zehnder interferometer, a first phase shift segment, and a second phase shift segment, the first phase shift segment and the second phase shift segment each being configured to shift a phase of light propagating through an optical path of the Mach-Zehnder interferometer; and a drive circuit that generates a signal for driving the optical modulator. The driv...