Average Co-Inventor Count = 2.43
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. International Business Machines Corporation (2 from 164,108 patents)
2. Checkrobot, Inc. (2 from 9 patents)
4 patents:
1. 4959530 - Article price indicator
2. 4940116 - Unattended checkout system and method
3. D288094 - Floor standing personal computer
4. D287974 - Floor standing enclosure for personal computer