US Patent Issued to AXELL on Dec. 9 for "Encryption processing apparatus and encryption processing method" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,895, issued on Dec. 9, was assigned to AXELL Corp. (Tokyo).

"Encryption processing apparatus and encryption processing method" was invented by Yusuke Hoshizuki (Tokyo) and Kotaro Matsuoka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encryption processing apparatus processes a fully homomorphic ciphertext and includes a processor performing the following processes. The processor performs a homomorphic operation involved in an operation for transforming coordinates of a point on a plane from orthogonal coordinates to polar coordinates with respect to a ciphertext and applies a predetermined polynomial to obtain a new ciphertext. The process...