I'm already worried for you. I believe you will have less than a 25% chance of making that reservation, even if the plane is on time. I would change the time to later or reschedule for another day.
Even IF the plane lands right on time, that arrival time is based on when the wheels touch down. At that point, the plane taxis in (can be quite a few minutes right there), the jetway is attached, you have to wait to deplane, at least one person in your party will need to use the restrooms (trust me!), and then you need to walk to the shuttle that takes you to luggage (sometimes a wait of several minutes). Assuming that you do not have checked luggage (if you do, there's NO WAY to make that reservation), even if you have a frequent rental program with the car rental, you will need to cross the street and go up the escalator where you will check in with the car rental agency, walk to your car, maneuver out of the garage, and finally hit the highway for your 25-45 minute trip. To top it off, I would say that Teppan Edo is just about the furthest of any restaurant in relation to the front entrance of Epcot (which you have reached only after waiting for the parking shuttle or, in all probability, a lenghty walk (or run at that point!). I would say that you would have a 15 minute walk if you power walk or jog from the turnstiles.
I changed my mind - you have less than a 10% chance of making it. Change those plans!