Average Co-Inventor Count = 2.57
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. International Business Machines Corporation (3 from 164,108 patents)
3 patents:
1. 7647248 - Shopping environment including detection of unpaid items in proximity to an exit
2. 7481702 - Using coin dimensions and coin storage bin volume to estimate when bin is full
3. 6967592 - Wireless highway guide