Average Co-Inventor Count = 6.63
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 14,087 patents)
3 patents:
1. D764717 - Hearing protector
2. D763518 - Hearing protector headband
3. D752816 - Hearing protector