Average Co-Inventor Count = 2.00
ph-index = 2
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. (1 from 505 patents)
2. Universal Studios LLC (1 from 20 patents)
2 patents:
1. 6340280 - Amusement ride vehicle with wheelchair ramp
2. 6227790 - Amusement ride vehicle with wheelchair ramp