Average Co-Inventor Count = 7.11
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. Thyssenkrupp Elevator Ag (3 from 75 patents)
3 patents:
1. 9206016 - Elevator drive
2. 9051157 - Elevator drive
3. 8344572 - Electromotive part of an elevator drive