Average Co-Inventor Count = 1.50
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. Hoffmann-La Roche Inc. (4 from 4,948 patents)
4 patents:
1. 4157352 - Process for the manufacture of a cyclopentenedione
2. 4055634 - Antiperspirants
3. 4046813 - Process for producing ketoisophorone
4. 3937740 - Process for the manufacture of 2,3,6-trimethylphenol