Average Co-Inventor Count = 3.06
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 (7 from 14,059 patents)
7 patents:
1. D957064 - User interface for a welding helmet
2. D918483 - User interface for a welding helmet
3. D901782 - Welding helmet
4. D893106 - Welding helmet
5. D853047 - Detachable chin shield
6. D853048 - Scrape guard
7. D852470 - Sweatband