Average Co-Inventor Count = 1.33
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. Estee Lauder Companies (2 from 6 patents)
2 patents:
1. 6030136 - Expendable mass retention devices for expellant holders
2. 5538022 - Single-use tester for cosmetic products