Average Co-Inventor Count = 4.44
ph-index = 4
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. Dictaphone Corporation. (4 from 159 patents)
4 patents:
1. D450661 - Transcription foot control
2. D444646 - Display stand
3. D441758 - Front panel
4. D440977 - Docking station