US Patent Issued to MITSUBISHI ELECTRIC on Feb. 4 for "Searchable encryption system, searchable encryption method, and non-transitory computer-readable recording medium" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,216,787, issued on Feb. 4, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Searchable encryption system, searchable encryption method, and non-transitory computer-readable recording medium" was invented by Takato Hirano (Tokyo), Yutaka Kawai (Tokyo), Yoshihiro Koseki (Tokyo) and Satoshi Yasuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A searchable encryption system includes a registration device including an index generation unit (624) and an encrypted index generation unit (625). The index generation unit (624) generates a registration keyword index by using a registration keyword, authorized-person attribute information corresponding to...