In the attractions that use any of Pixar's property a small print would usually read "inspired by Disney·Pixar's [Finding Nemo, etc.]" I thought Disney bought Pixar back in 2006? So isn't Pixar's properties Disney's now? I understand Star Tours having "from the creative forces of Disney and george lucas" under the attraction logo because they have a partnership. But Pixar IS Disney.
I also notice on the Disney Channel that if it plays a Pixar commercial there's a small "Disney·Pixar" print on bottom.