Average Co-Inventor Count = 1.60
ph-index = 2
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. Shell Oil Comapny (2 from 7,646 patents)
2 patents:
1. 4451466 - Use of pyrroloquinazolinediamines as pesticides
2. 3950530 - Pyrrolidine insect control agents