Average Co-Inventor Count = 3.00
ph-index = 1
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. International Business Machines Corporation (1 from 164,108 patents)
1 patent:
1. 6405105 - Method means and device for limiting the light penetration through one or more pane in a single viewing port