Average Co-Inventor Count = 9.00
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 832,680 patents)
2. University of British Columbia (1 from 932 patents)
3. Qlt Phototherapeutics, Inc. (1 from 15 patents)
4. Ciba Vision Opthalmics (1 from 1 patent)
2 patents:
1. 6248734 - Use of photodynamic therapy for prevention of secondary cataracts
2. 6043237 - Use of photodynamic therapy for prevention of secondary cataracts