Average Co-Inventor Count = 3.75
ph-index = 2
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 (1 from 14,087 patents)
2. Minnesota Mining and Manufacturing Company (1 from 7,865 patents)
2 patents:
1. 6821007 - Shallow depth back lit illuminated signage
2. 5820957 - Anti-reflective films and methods