Average Co-Inventor Count = 3.00
ph-index = 2
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. Other (1 from 832,680 patents)
2. Dictaphone Corporation. (1 from 159 patents)
2 patents:
1. 6937706 - System and method for data recording
2. 6246752 - System and method for data recording