Average Co-Inventor Count = 2.00
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. Ultratec, Inc. (2 from 98 patents)
2 patents:
1. 9131045 - System for text assisted telephony
2. 8213578 - System for text assisted telephony