Average Co-Inventor Count = 3.27
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. Nielsen-kellerman Co. (3 from 16 patents)
3 patents:
1. D718157 - Electronic data device
2. D714665 - Electronic data device
3. D714664 - Electronic data device