Average Co-Inventor Count = 3.75
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. Polyjohn Enterprises Corporation (4 from 26 patents)
4 patents:
1. 8091157 - Modular portable restroom
2. D609413 - Portable restroom
3. 6427256 - Knockdown portable toilet
4. 5244109 - Adjustable plastic lid for garbage container