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. Siemens Aktiengesellschaft (2 from 30,028 patents)
2 patents:
1. 5724018 - Device with four-legged coil
2. 4564884 - Electrical apparatus with base plate