Average Co-Inventor Count = 3.43
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. Opsec Security Group, Inc. (4 from 9 patents)
2. University of East Anglia (1 from 14 patents)
4 patents:
1. 9279084 - Security device using liquid crystals
2. 9234992 - Optically variable device with diffraction-based micro-optics, method of creating the same, and article employing the same
3. 9025251 - Optically variable devices, security device and article employing same, and associated method of creating same
4. 8488242 - Optically variable device with diffraction-based micro-optics, method of creating the same, and article employing the same