Average Co-Inventor Count = 5.00
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. Smithkline Beecham Corporation (3 from 2,198 patents)
3 patents:
1. 5616721 - Process for preparing benzopyran compounds
2. 5596103 - Process for preparing benzopyran compounds
3. 5587483 - Process for preparing tetrazol-5-yl substituted benzopyran compounds