Average Co-Inventor Count = 5.76
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. Graftech International Holdings Inc. (9 from 105 patents)
9 patents:
1. 9497804 - Graphite electrode
2. 9253827 - Graphite electrodes
3. 8923360 - Graphite electrodes
4. 8828348 - Reduced puffing needle coke from coal tar
5. 8658315 - Reduced puffing needle coke from decant oil
6. 8530094 - Reduced puffing needle coke from coal tar distillate
7. 8007658 - Reduced puffing needle coke from coal tar
8. 8007659 - Reduced puffing needle coke from coal tar distillate
9. 8007660 - Reduced puffing needle coke from decant oil