Average Co-Inventor Count = 5.00
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. 3m Innovative Properties Company (3 from 14,076 patents)
3 patents:
1. D753884 - Hearing protector
2. D747557 - Hearing protector
3. D736475 - Hearing protector