Average Co-Inventor Count = 1.91
ph-index = 5
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. Hercules Corporation (21 from 1,197 patents)
21 patents:
1. 4483959 - Organic pigments
2. 4469555 - Organic pigments
3. 4456724 - Organic pigments
4. 4434267 - Organic pigments
5. 4426483 - Organic pigments
6. 4414353 - Organic pigments
7. 4404310 - Organic pigments
8. 4403062 - Organic pigments
9. 4403063 - Organic pigments
10. 4369292 - Organic pigments
11. 4353818 - Organic pigments
12. 4349641 - Organic pigments
13. 4348257 - Organic pigments
14. 4343729 - Organic pigments
15. 4311809 - Organic pigments