Average Co-Inventor Count = 5.46
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. Nitta Gelatin Inc. (2 from 20 patents)
2 patents:
1. 5712161 - Method for culturing animal cells in collagen drops on a support
2. 5356793 - Method for testing the sensitivity of anticancer drug