ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,170, issued on Feb. 4, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).
"Light detection device" was invented by Atsushi Ishida (Hamamatsu, Japan), Noburo Hosokawa (Hamamatsu, Japan), Terumasa Nagano (Hamamatsu, Japan) and Takashi Baba (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A photodetecting device includes a semiconductor substrate, a plurality of avalanche photodiodes each including a light receiving region disposed at a first principal surface side of the semiconductor substrate, the avalanche photodiodes being arranged two-dimensionally at the semiconductor substrate, and a through-electrode electrically conne...