Average Co-Inventor Count = 2.40
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. United States Tennis Gut Association, Inc. (1 from 2 patents)
2 patents:
1. D309318 - Active eye wear
2. 4391088 - String for sports rackets