Average Co-Inventor Count = 4.29
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. Lifeline Systems, Inc. (3 from 28 patents)
3 patents:
1. 6504908 - Reminder phone
2. D376330 - Communicator for a personal emergency response system
3. D372435 - Communicator for a personal emergency response system