Average Co-Inventor Count = 5.00
ph-index = 3
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. Zoom Telephonics, Inc. (4 from 16 patents)
4 patents:
1. 6289087 - Modem with ring detection/modem processing capability
2. 6081587 - Modem with ring detection/modem processing capability
3. 5835578 - Modem with ring detection/modem processing capability
4. 5361296 - Modem with ring detection/modem processing capability