Average Co-Inventor Count = 2.40
ph-index = 1
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. (2 from 4,948 patents)
2 patents:
1. 4215139 - Carbamic acid derivatives
2. 4011335 - Methylene dioxyphenyl ethers