Average Co-Inventor Count = 1.00
ph-index = 3
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. Vacon Oyj (3 from 62 patents)
3 patents:
1. D713336 - Frequency converter
2. D706216 - Frequency converter
3. D638793 - Frequency converter