Average Co-Inventor Count = 2.00
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. Dr. E. Fresenius Chemisch Pharmazeutische Industrie Kg, Apparatebau Kg (2 from 5 patents)
2. Dr. E. Fresenius Chemisch Pharmazeutische Industrie (1 from 1 patent)
3 patents:
1. 4216068 - Ion sensitive electrode and cells for use therewith
2. 4184935 - Reference electrode
3. 4135999 - Ion sensitive electrode and cells for use therewith