Average Co-Inventor Count = 2.40
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. Nynex Corporation (2 from 42 patents)
2 patents:
1. D328260 - Control unit for an alarm system
2. D327856 - Keypad for an alarm system or similar article