Average Co-Inventor Count = 4.00
ph-index = 1
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. Man Gutehoffnungshutte Aktiengesellschaft (1 from 70 patents)
2. Bremer Strassenbahn Ag (1 from 1 patent)
1 patent:
1. 4941409 - Wheel set guidance for trucks of rail vehicles, especially commuter