Average Co-Inventor Count = 2.40
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 (2 from 22,077 patents)
2 patents:
1. 4726651 - Optical fibers having piezoelectric coatings
2. 4529645 - Polyethylene-terephthalate-backed adhesive tape or extreme dimensional