Average Co-Inventor Count = 4.00
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. Heesung Engelhard Corporation (1 from 2 patents)
1 patent:
1. 7740818 - Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction