ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,186, issued on Aug. 12, was assigned to EMEL VENTURES INC. (Seoul, South Korea).

"Method and system for managing points in karaoke application by using blockchain network" was invented by Heuibae Kim (Seongnam-si, South Korea), Hyunkeun Yoon (Namyangju-si, South Korea) and Kyuyup Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method and a system for distributing points in a karaoke application and, more specifically, to a method and a system for managing points in a karaoke application by using a blockchain network, wherein the concept of "point" is introduced in connection with using the ka...