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. Classco Inc. (3 from 6 patents)
2. Other (1 from 832,880 patents)
4 patents:
1. 8005195 - Telephone network messaging
2. 7602890 - Telephone network messaging
3. 7418087 - Telephone network messaging
4. 7194077 - System and method for acquiring information relating to geographic location