Average Co-Inventor Count = 7.00
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. Kt&g Corporation (1 from 381 patents)
2. Chemtech Research Incorporation (1 from 2 patents)
1 patent:
1. 7119229 - Alkaloid derivative and a pharmaceutical composition containing the same