Average Co-Inventor Count = 2.57
ph-index = 3
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. Merck + Co., Inc. (3 from 4,770 patents)
2. Mcneil-ppc, Inc. (2 from 798 patents)
3 patents:
1. 5288507 - Ibuprofen antacid combinations
2. 5260337 - Ibuprofen-muscle relaxant combinations
3. 5164398 - Ibuprofen-antitussive combinations