Average Co-Inventor Count = 2.25
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. D284979 - Ribbon cassette or similar article
2. D280212 - Ribbon cassette or similar article
3. 4525088 - Compact rotary knife mechanism