Average Co-Inventor Count = 2.00
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. Thyssen Industrie Ag (2 from 129 patents)
2 patents:
1. 4388872 - Railway car bogie construction
2. 4354850 - Gear clutch