Average Co-Inventor Count = 2.57
ph-index = 3
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. Pbh, Inc. (3 from 8 patents)
3 patents:
1. 6743438 - Colored contact lenses and method of making same
2. 6337040 - Colored contact lenses and method of making same
3. 6284161 - Colored contact lenses and method of making same