Average Co-Inventor Count = 3.00
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. Volkswagen Ag (2 from 3,226 patents)
2 patents:
1. 6632764 - Method for controlling the regeneration of an NOx storage converter
2. 6499291 - Apparatus and method for monitoring NOx storage catalytic converters