Average Co-Inventor Count = 5.00
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. Messer Griesheim Gmbh (1 from 218 patents)
2. Mg (1 from 1 patent)
2 patents:
1. 5088241 - Polishing device
2. 5088242 - Polishing device