Average Co-Inventor Count = 3.00
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 14,076 patents)
3 patents:
1. 11376162 - Automatic darkening filter assembly for a welding protector and a welding protector
2. 11324275 - Welding helmet
3. 10952902 - Automatic darkening filter assembly for a welding protector and a welding protector