Average Co-Inventor Count = 1.80
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. Whatman Gmbh (1 from 39 patents)
2. Costar Corporation (1 from 22 patents)
3. Corning Costar Corporation (1 from 2 patents)
3 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
3. 5449917 - Method and apparatus for forming a plurality of tracks in a flexible