Average Co-Inventor Count = 3.33
ph-index = 3
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 Boschgmbh (3 from 29,302 patents)
2. Other (1 from 832,761 patents)
4 patents:
1. 6267653 - Device for grinding an end face, especially an annular surface at the edge of a workpiece bore
2. 5322398 - Tools for machining bores
3. 5297905 - Tool for processing drilled holes
4. 5161572 - Pressure valve