Average Co-Inventor Count = 4.71
ph-index = 4
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. Electronic Retailing Systems, Inc. (2 from 4 patents)
2. Electronic Retailing Systems International (1 from 10 patents)
3. Ers Associates Limited Partnership (1 from 2 patents)
4 patents:
1. 6016481 - Space management system
2. 5812985 - Space management system
3. 5448226 - Shelf talker management system
4. 5241467 - Space management system