Average Co-Inventor Count = 4.00
ph-index = 1
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. Jfax Communications, Inc. (1 from 1 patent)
2. J2 Global Communications, Inc. (40 patents)
1 patent:
1. 6073165 - Filtering computer network messages directed to a user's e-mail box