Average Co-Inventor Count = 8.89
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. 3d Systems, Inc. (2 from 490 patents)
2 patents:
1. 6264873 - Method of making a three-dimensional object by stereolithography
2. 6261507 - Method of and apparatus for making a three-dimensional object by stereolithography