ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,297, issued on Nov. 18, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Method for trapping microparticle and microparticle trapping device" was invented by Yuji Kimura (Hamamatsu, Japan), Kazuya Suzuki (Hamamatsu, Japan), Ryo Makino (Hamamatsu, Japan) and Hiroyasu Itoh (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microparticle trapping device includes: a fluid channel configured to be injected with a fluid including a microparticle; first and second electrodes configured to generate an electric field in the fluid channel; and an electrical insulator formed with at least one opening between the first and second el...