Average Co-Inventor Count = 3.78
ph-index = 5
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 14,076 patents)
7 patents:
1. D786509 - Welding helmet having a button
2. D735951 - Welding helmet
3. D674151 - Protective helmet
4. D674152 - Protective helmet
5. D674153 - Protective helmet
6. D668326 - Turbo unit cover
7. D666288 - Window in turbo unit cover