Average Co-Inventor Count = 21.51
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. Transaction Technology Inc. (2 from 31 patents)
2 patents:
1. 5572572 - Computer and telephone apparatus with user friendly interface and
2. 5195130 - Computer and telephone apparatus with user friendly computer interface