Average Co-Inventor Count = 4.00
ph-index = 2
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. Tyco Fire + Security Gmbh (3 from 733 patents)
3 patents:
1. D830213 - Visual alarm for alarm unit
2. D827472 - Visual indicator for alarm unit
3. D805940 - Sounder for alarm unit