ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,889, issued on April 15, was assigned to CRYPTO LAB INC. (Seoul, South Korea).

"Electronic apparatus using homomorphic cipher and method thereof" was invented by Junbum Shin (Seoul, South Korea), Jung Hee Cheon (Seoul, South Korea), Unyoung Kim (Seoul, South Korea) and Dongyeon Hong (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic apparatus is disclosed. The electronic apparatus includes a memory configured to store a homomorphic ciphertext including a tag and a program operating in the electronic apparatus, a user interface, and a processor, and the tag includes type information for original data of the homomorphic ci...