Average Co-Inventor Count = 3.87
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. Bayer Corporation (4 from 1,008 patents)
4 patents:
1. 5713999 - Incorporation of pigment derivatives in quinacridone processes
2. 5711800 - Organic pigment compositions
3. 5496405 - Process for the preparation of organic pigments
4. 5491235 - Process for the preparation of organic pigments