Average Co-Inventor Count = 2.18
ph-index = 4
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. Cerberus Ag (4 from 129 patents)
4 patents:
1. D292892 - Intrusion detector
2. D277652 - Passive infrared intrusion detector unit
3. 4460829 - Infrared intrusion detector with response indicator light
4. 4451733 - Infrared intrusion detector with optical pattern locators