Average Co-Inventor Count = 5.00
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 (2 from 14,059 patents)
2. Minnesota Mining and Manufacturing Company (1 from 7,865 patents)
3 patents:
1. 6155910 - Method and article for the production of optical quality surfaces on
2. 5989111 - Method and article for the production of optical quality surfaces on
3. 5876268 - Method and article for the production of optical quality surfaces on