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. Whatman Gmbh (1 from 39 patents)
2. Corning Costar Corporation (1 from 2 patents)
2 patents:
1. 6103119 - Filter cartridges having track etched membranes and methods of making
2. 5904846 - Filter cartridge having track etched membranes and methods of making same