ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,430, issued on Sept. 30, was assigned to Sony Interactive Entertainment Inc. (Tokyo).

"Server apparatus, skill value derivation method, and information processing apparatus" was invented by Jihun Choi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An event data recording section 240 records event data related to an activity executed by a plurality of players. A play time acquisition section 212 acquires play times of the plurality of players for the activity from event data indicating start of the activity and event data indicating end of the activity. A skill value derivation section 216 derives a skill value for a user for the activity on ...