Conversation so far:
who owns cheesecake factory and p f changs
The Cheesecake Factory was founded by Evelyn Overton.
who founded P F Chang's
P. F. Chang's China Bistro is an American-based, Asian-themed, casual dining restaurant chain founded in 1993 by Paul Fleming and Philip Chiang.

Question: do they own it
Self-contained rewrite: do Paul Fleming and Philip Chiang own P F Chang's