Average Co-Inventor Count = 3.00
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. Other (1 from 832,880 patents)
2. Klaus Keplinger (1 from 1 patent)
2 patents:
1. 4940725 - Oxindole alkaloids having properties stimulating the immunologic system
2. 4844901 - Oxindole alkaloids having properties stimulating the immunologic system