Average Co-Inventor Count = 3.00
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. Nalge Nunc International Corporation (2 from 40 patents)
2 patents:
1. D925974 - Bottle closure
2. D918652 - Bottle closure