Average Co-Inventor Count = 1.85
ph-index = 7
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 (14 from 164,135 patents)
2. Lexmark International, Inc. (3 from 3,030 patents)
3. Wolsk Associates, Ltd. (1 from 2 patents)
18 patents:
1. D328606 - Electronic typewriter
2. D322965 - Computer lower expansion unit
3. D322601 - Disk drive unit for computer
4. D321532 - Printer
5. D321345 - Computer crt monitor
6. D320978 - Word processor system unit
7. D319049 - Computer upper expansion unit
8. D314559 - Computer display station
9. D309323 - Cartridge for an electrophotographic printer
10. D302439 - Printer
11. D291093 - Display for electronic typewriter or similar article
12. D286638 - Printer
13. D286053 - Data memory module
14. D284673 - Typewriter feature attachment
15. D281701 - Electronic typewriter