ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,886, issued on April 21, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Semiconductor light modulating apparatus" was invented by Hayata Fukushima (Tokyo), Yojiro Watanabe (Tokyo), Seiji Nakano (Tokyo) and Yu Uwadoi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor light modulator (5) modulates light in accordance with a high-frequency wave signal (11). A terminal matching circuit (12) is connected in parallel to the semiconductor light modulator (5). The terminal matching circuit (12) has a resistor (8) and a capacitor (9) of 0.1 pF or lower connected in parallel to the resistor (8)."
The patent was filed on Dec. 9, 2020,...