Average Co-Inventor Count = 4.00
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. Hoffmann-La Roche Inc. (6 from 4,948 patents)
6 patents:
1. 4228295 - Novel cycloheptathiophene intermediates for the synthesis of biotin
2. 4180659 - Coumarin derivatives to produce 8-methoxypsoralen
3. 4175086 - Cycloheptathiophene derivatives
4. 4130568 - 8-Methoxypsoralen derivatives
5. 4124595 - Synthesis of biotin
6. 4062868 - Synthesis of biotin