Average Co-Inventor Count = 6.00
ph-index = 1
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. Mine Safety Appliances Company (1 from 242 patents)
1 patent:
1. 7180076 - Photoionization detectors, ionization chambers for use in photoionization detectors, and methods of use of photoionization detectors