Average Co-Inventor Count = 3.60
ph-index = 1
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. 3m Innovative Properties Company (3 from 14,073 patents)
3 patents:
1. 12295813 - Dual hearing protection system
2. 12193914 - Hearing protection device for protection in different hearing situations, controller for such device, and method for switching such device
3. 11963849 - Dual hearing protection system