Average Co-Inventor Count = 4.05
ph-index = 5
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)
2. Pepsi Lipton Tea Partnership (1 from 3 patents)
5 patents:
1. D460894 - Glass
2. D450661 - Transcription foot control
3. D444646 - Display stand
4. D441758 - Front panel
5. D440977 - Docking station