Assignee
NAT COMP SYSTEMS INC
US·7 granted patents·389 citations·filing 1998–2000
Top patents by PatentIndex Score
7 records- 0190US6459509B1Optical scanning device having a calibrated pixel output and a method for calibrating such a deviceNAT COMP SYSTEMS INC·Filed 2000·Granted Oct 1, 2002·93 cites·9 claims
- 0287US6168440B1Multiple test item scoring system and methodNAT COMP SYSTEMS INC·Filed 1998·Granted Jan 2, 2001·67 cites·20 claims
- 0385US6155839ADynamic on-line scoring guide and methodNAT COMP SYSTEMS INC·Filed 1998·Granted Dec 5, 2000·57 cites·8 claims
- 0484US6183261B1Collaborative and quality control scoring system and methodNAT COMP SYSTEMS INC·Filed 1998·Granted Feb 6, 2001·51 cites·44 claims
- 0583US6193521B1System for providing feedback to test resolversNAT COMP SYSTEMS INC·Filed 1998·Granted Feb 27, 2001·48 cites·48 claims
- 0679US6159018ACategorized test reporting system and methodNAT COMP SYSTEMS INC·Filed 1998·Granted Dec 12, 2000·37 cites·28 claims
- 0778US6183260B1Method and system for preventing bias in test answer scoringNAT COMP SYSTEMS INC·Filed 1998·Granted Feb 6, 2001·36 cites·56 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →