Average Co-Inventor Count = 6.00
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. American Printing House for the Blind, Inc. (2 from 4 patents)
2 patents:
1. 11576817 - Selective information provision and indoor navigation assistance for the visually impaired
2. 11318050 - Navigation assistance for the visually impaired