Average Co-Inventor Count = 3.43
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. Sunkyong Industries Co., Ltd. (1 from 13 patents)
2. Sunkyong Industries Ltd. (1 from 9 patents)
2 patents:
1. 5466829 - Ginkgolide derivatives and a process for preparing them
2. 5089636 - Method of isolating ginkgolides from the leaves of the ginkgo tree and