Average Co-Inventor Count = 5.00
ph-index = 6
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. Degussa Aktiengesellschaft (6 from 1,678 patents)
6 patents:
1. 5501933 - Toner containing pigment and surface modified pyrogenically produced
2. 5429873 - Surface-modified silicon dioxides
3. 5419928 - Surface-modified pyrogenically produced aluminum oxide
4. 5415936 - Surface-modified pyrogenically produced titanium dioxide
5. 5384194 - Surface-modified pyrogenically produced aluminum oxide
6. 5372905 - Surface-modified pyrogenically produced titanium dioxide