Average Co-Inventor Count = 5.00
ph-index = 1
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. Checkpoint Systems, Inc., a Corp. of Pennsylvania (1 from 1 patent)
2. Checkpoint Systems, Inc. (310 patents)
1 patent:
1. 6249229 - Electronic article security system employing variable time shifts