Average Co-Inventor Count = 2.67
ph-index = 1
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. Graftech International Holdings Inc. (2 from 105 patents)
2. Ucar Carbon Company Inc. (1 from 24 patents)
3. Graftech Institute Holdings Inc. (1 from 1 patent)
4 patents:
1. 9313834 - Electrode joint locking system
2. 8021750 - Insulated panel for mine safe rooms
3. 7972698 - Carbon foam core panels
4. 7230969 - Electrode joint locking system