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. Exxon Research and Engineering Company (1 from 4,227 patents)
2. Inco Limited (1 from 151 patents)
2 patents:
1. 4421552 - Dead roast-oxide flash reduction process for copper concentrates
2. 4384940 - Chlorine leaching of nickel-cobalt-iron sulphides