Average Co-Inventor Count = 4.00
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. Astra Lakemedel Aktiebolag (3 from 63 patents)
2. Astra Pharmaceutical Products, Inc. (3 from 17 patents)
4 patents:
1. 4956179 - Antibacterial combination of penicillin and cephalosporin
2. 4898731 - Antibiotic combinations of penicillins
3. 4221781 - Synergistic penicillin-cephalosporin compositions and methods
4. 4203972 - Penicillin composition