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. (1 from 4,943 patents)
2. Ortho Diagnostic Systems Inc. (1 from 69 patents)
2 patents:
1. 4631254 - Carcinoembryonic antigen determination
2. 4426357 - Antibody elution reagent kit