Average Co-Inventor Count = 6.28
ph-index = 3
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 518 patents)
2. Universal Studios LLC (1 from 20 patents)
3 patents:
1. 6254489 - Amusement attraction with man-made tornado
2. 6220171 - Amusement ride
3. 5833544 - Film and live action theater