Average Co-Inventor Count = 2.25
ph-index = 5
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 (5 from 164,108 patents)
2. Other (1 from 832,680 patents)
6 patents:
1. 5893667 - Point of sale printer with magnetic reader
2. 5642948 - Biaxial printer for portrait and landscape printing
3. 5634729 - Magnetic reader with a flexible pressure film pressure pad
4. 5613783 - Point of sale printer with magnetic reader
5. 5533817 - Biaxial printer
6. 4300551 - Method for treating schizophrenia