Average Co-Inventor Count = 5.06
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. Verification Technologies, Inc. (2 from 19 patents)
2. Sun Chemical Corporation (1 from 589 patents)
3 patents:
1. 7079230 - Portable authentication device and method of authenticating products or product packaging
2. 6707539 - Portable product authentication device
3. 6490030 - Portable product authentication device