Average Co-Inventor Count = 2.68
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 (4 from 29,302 patents)
2. Other (1 from 832,880 patents)
5 patents:
1. 7268474 - Alloy, electrode with the alloy, and ignition device with the alloy
2. 6971937 - Method of manufacturing a spark plug for an internal combustion engine
3. 6888293 - Protective coating for ignition device
4. 6822377 - Ignition device and method for producing it
5. 6812432 - Sheathed-element heater plug