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. Ykk Corporation (1 from 1,384 patents)
2. 8x8, Inc. (1 from 426 patents)
2 patents:
1. 7289491 - Internet telephony arrangement and method
2. 7092379 - Internet telephony arrangement and method