Average Co-Inventor Count = 2.29
ph-index = 14
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 (21 from 4,491 patents)
2. At&t Global Information Solutions Company (2 from 164 patents)
3. Other (1 from 832,891 patents)
24 patents:
1. 7672900 - Write input transaction apparatus and method
2. 7436957 - Audio cassette emulator with cryptographic media distribution control
3. 6539363 - Write input credit transaction apparatus and method with paperless merchant credit card processing
4. 5949348 - Method and apparatus for variable keyboard display
5. 5587560 - Portable handwritten data capture device and method of using
6. 5563381 - Handwriting capture system with segmented digitizer
7. 5539159 - Handwriting capture device
8. 5414441 - Temperature compensation apparatus for liquid crystal display
9. 5412161 - Handwriting capture system with segmented digitizer
10. 5380958 - Handwriting capture device
11. 5335230 - Apparatus and method for automatic digitizer fault detection
12. 5322978 - Handwriting capture device with integral forms printer
13. 5297202 - Apparatus and method for producing a digitized transaction record
14. 5285506 - Method of recording a handwritten message
15. 5245139 - Apparatus and method for digitizer sampled point validation