Average Co-Inventor Count = 2.67
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Universal City Studios, Inc. (2 from 505 patents)
2. Universal Studios LLC (2 from 20 patents)
4 patents:
1. 6428419 - Amusement attraction with moveable floor
2. 5884563 - Ride attraction system for the physically disabled
3. 5704294 - Waterfall ride attraction
4. 5685778 - Ride attraction having animated figures