Average Co-Inventor Count = 5.87
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. University of British Columbia (3 from 932 patents)
2. Qlt, Inc. and (1 from 1 patent)
3. Qlt Inc. (35 patents)
3 patents:
1. 7122569 - Ethylene glycol esters as photoactive agents
2. 5990149 - Class of benzoporphyrin derivative photoactive compounds
3. 5880145 - Class of benzoporphyrin derivative photoactive compounds