Average Co-Inventor Count = 4.00
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. 6319293 - Membrane electrode assembly
2. 5879828 - Membrane electrode assembly