Average Co-Inventor Count = 1.71
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. Ncr Corporation (3 from 4,491 patents)
3 patents:
1. 9830608 - Techniques for controlling redemption of offers
2. 6907400 - Promotion apparatus and method
3. 6564189 - Universal methods and apparatus for determining prices and rewards within retail transactions