ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,775, issued on Oct. 14, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Measuring device" was invented by Kenichiro Ikemura (Hamamatsu, Japan), Kengo Suzuki (Hamamatsu, Japan), Kazuya Iguchi (Hamamatsu, Japan) and Akihiro Nakamura (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A measuring device includes: an integrating sphere; an excitation optical system; a light detector; and a first detection optical system. The optical axis of the excitation light incident on the subject to be measured in the integrating sphere in the excitation optical system and the optical axis of the light to be measured that is emitted from ...