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Eden Prairie, MN, United States of America

National Computer Systems, Inc.

USPTO Granted Patents = 42

Trademarks = 2

Forward Citations = 1,579

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27 inventors (with patents filed for the assignee):

Jay V Clark (20 out of 25 patents)

William L Bramlett, Jr (17 out of 22 patents)

Judith Moyer (16 out of 21 patents)

4. John V McMillin (5 out of 6 patents)

5. Vernon F Koch (4 out of 4 patents)

6. Walter Gysling (4 out of 5 patents)

7. Lester A Wanninger (2 out of 2 patents)

8. John G Fahnlander (2 out of 2 patents)

9. George E Carsner (2 out of 2 patents)

10. John N Grundy, Jr (2 out of 2 patents)

11. Jack J Raymakers (1 out of 2 patents)

12. James L Maciey (1 out of 2 patents)

13. Jerry D Wheeler (1 out of 2 patents)

14. Thomas J Duxbury (1 out of 1 patent)

15. Gary J Gustafson (1 out of 1 patent)

Core Competencies:

Optical Scanning

Test Scoring

Performance Feedback

Image Processing

Document Management

Calibration

Quality Control

Categorized Reporting

Dynamic Scoring

Mark Sense Forms

Feedback Systems

Encoding Printing

42 patents: Sort by Forward Citations

1. 6459509 - Optical scanning device having a calibrated pixel output and a method for calibrating such a device (2002-10-01),

2. 6193521 - System for providing feedback to test resolvers (2001-02-27),

3. 6183261 - Collaborative and quality control scoring system and method (2001-02-06),

4. 6183260 - Method and system for preventing bias in test answer scoring (2001-02-06),

5. 6168440 - Multiple test item scoring system and method (2001-01-02),

6. 6159018 - Categorized test reporting system and method (2000-12-12),

7. 6155839 - Dynamic on-line scoring guide and method (2000-12-05),

8. 5752836 - Categorized test item reporting method (1998-05-19),

9. 5735694 - Collaborative and quality control scoring method (1998-04-07),

10. 5718591 - Method for providing performance feedback to test resolvers (1998-02-17),

11. 5716213 - Method for preventing bias in test answer scoring (1998-02-10),

12. 5711673 - Method for interpreting a plurality of response marks on a scannable (1998-01-27),

13. 5709551 - Multiple test item scoring method (1998-01-20),

14. 5690497 - Dynamic on-line scoring method (1997-11-25),

15. 5558521 - System for preventing bias in test answer scoring (1996-09-24),

Company Overview

National Computer Systems, Inc., based in Eden Prairie, MN, specializes in the development and manufacturing of advanced optical scanning devices and test scoring systems. The company focuses on enhancing educational assessment through innovative technologies such as performance feedback mechanisms, dynamic scoring guides, and categorized test reporting. Their expertise in image processing systems and collaborative scoring methods positions them as a leader in optimizing the evaluation process, ensuring accuracy and efficiency in test administration and scoring.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

42 Patents

#24 in Eden Prairie, MN

#235 in Minnesota

#8,258 in US

#16,354 in the World

Eden Prairie, MN, United States of America

National Computer Systems, Inc.

Forward Citations = 1,579

27 inventors:

Jay V Clark (20 out of 25 patents)

William L Bramlett, Jr (17 out of 22 patents)

Judith Moyer (16 out of 21 patents)

4. John V McMillin (5 out of 6 patents)

5. Vernon F Koch (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: National Computer Systems, Inc.. Retrieved from https://idiyas.com/company/national-computer-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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