Average Co-Inventor Count = 3.00
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 4,945 patents)
3 patents:
1. 4340736 - Diagnostic test for barbiturates
2. 4196185 - Immunoassay for phencyclidine
3. 4101549 - Aminophenyl esters of 5-carboxyalkyl barbituric acids