Average Co-Inventor Count = 1.60
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. Robert Schröder Gmbh & Co. Kg (1 from 2 patents)
2. Robert Schroder Gmbh & Co. (1 from 2 patents)
2 patents:
1. 6851339 - Hand grip of a screwdriver
2. 6058812 - Screwing tool with a ratchet