Average Co-Inventor Count = 4.44
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. (4 from 4,770 patents)
4 patents:
1. 5306635 - DNA encoding immunogenic gpIII glycoprotein of varicella-zoster virus
2. 4952674 - Vaccine against varicella-zoster virus
3. 4812559 - Vaccine against varicella-zoster virus
4. 4686101 - Vaccine against varicella-zoster virus