Average Co-Inventor Count = 3.75
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. Preh Gmbh (1 from 108 patents)
2. Preh-werke Gmbh Co. Kg (1 from 70 patents)
2 patents:
1. 7808374 - Brake lining wear sensor
2. 7146723 - Method of improving connection of contacts