Average Co-Inventor Count = 2.40
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. Daimler-benz Ag (1 from 1,777 patents)
2. Energy Research Corporation (1 from 86 patents)
2 patents:
1. 5942099 - Method and device for removal of NO.sub.x from engine exhaust
2. 5698337 - Process for preparing a separator plate for a melt carbonate fuel cell