ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,862, issued on March 4, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).

"Optical receiving circuit" was invented by Atsushi Kanda (Musashino, Japan), Toshihide Yoshimatsu (Musashino, Japan), Yasuhiko Nakanishi (Musashino, Japan) and Masahiro Nada (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an optical receiver circuit which suppresses an unnecessary increase in impedance and occurrences of resonance and radiation noise and which produces preferable high-frequency transmission characteristics, a PD submount mounted with a PD chip and a chip capacitor and a TIA carrier mounted with a TIA chip are electrically conne...