Average Co-Inventor Count = 2.67
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. Licentia Patent-verwaltungs Gmbh (1 from 639 patents)
2 patents:
1. 5969480 - Ignition system with a field emitter coupled to the spark plug
2. 4713311 - Homogeneous photoconductive layer of amorphous silicon and hydrogen