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. Hollingsworth & Vose Company (1 from 139 patents)
2. Hollingsowrth & Vose Company (1 from 1 patent)
2 patents:
1. 6780226 - Charge stabilized electret filter media
2. 5645627 - Charge stabilized electret filter media