Average Co-Inventor Count = 3.26
ph-index = 5
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. Lifeline Systems, Inc. (5 from 28 patents)
5 patents:
1. D338843 - Home communicator for a personal emergency response system
2. D338844 - Personal security alarm
3. D333996 - Personal security alarm
4. D313363 - Home communicator for a personal emergency response system
5. D313362 - Wireless communicator for a personal emergency response system