Average Co-Inventor Count = 2.00
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. (3 from 4,948 patents)
3 patents:
1. 4150042 - 6-Hydroxy-7-methoxy-5-benzofuran carboxaldehyde and
2. 4147703 - Process to produce 8-methoxypsoralen
3. 4107182 - 7-Oxo-9-methoxy-7H-furo[3,2-g][1]benzopyran-6-carboxylic acid