cheese cake cooking times
Here's a recipe for four 4.5" cheesecakes that should be exactly what you need. I haven't used the recipe myself but it certainly seems reasonable: 

http://www.food.com/recipe/four-4-5-inch-cheesecakes-with-nine-stir-in-variations-506199 

The crust is cooked for 7 minutes at 300F and the while cheesecake is cooked for 40-45 minutes at 300F.