Average Co-Inventor Count = 3.13
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. Capticom, Inc. (2 from 2 patents)
2. Ameritech Corporation (1 from 159 patents)
3. Siemens Information and Communication Products LLC (1 from 3 patents)
3 patents:
1. 6558165 - Attention-focusing device and method of use
2. D463991 - Signaling device
3. D428868 - Cordless telephone