Average Co-Inventor Count = 1.20
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. Code-a-phone Corporation (2 from 7 patents)
2. Ford Industries, Inc. (1 from 5 patents)
3 patents:
1. 4815122 - Telephone answering system with means for recovering operational data
2. 4571463 - Method and system for automatically inserting at least one pause into
3. 4356351 - Digital memory audio playback apparatus