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Colorado Springs, CO, United States of America

Ramtron International Corporation

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USPTO Granted Patents = 134

% Expired Patents = 6.0

EPO Patents = 1

Forward Citations = 3,575

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72 inventors (with patents filed for the assignee):

Dennis R Wilson (18 out of 19 patents)

William F Kraus (17 out of 17 patents)

Thomas A Evans (11 out of 11 patents)

4. George Argos, Jr (10 out of 10 patents)

5. Craig V Taylor (9 out of 44 patents)

6. Lark E Lehman (9 out of 11 patents)

7. Donald J Verhaeghe (8 out of 11 patents)

8. Judith E Allen (8 out of 10 patents)

9. Brian Lee Eastep (7 out of 11 patents)

10. Steven D Traynor (7 out of 7 patents)

11. Richard Allen Bailey (6 out of 20 patents)

12. Glen Richard Fox (6 out of 17 patents)

13. Xiao Hong Du (6 out of 9 patents)

14. Michael W Yeager (6 out of 11 patents)

15. Sanjay Mitra (5 out of 10 patents)

Core Competencies:

Ferroelectric Capacitor

Non-Volatile Memory

Imprint Mitigation

Voltage Boost Circuit

Memory Cell Configuration

Capacitance Sensing

Hydrogen Degradation

Integrated Circuit

Random Access Memory

Reference Voltage

Logic Elements

Charge Pump

134 patents: Sort by Forward Citations

1. 8081500 - Method for mitigating imprint in a ferroelectric memory (2011-12-20),

2. 7924599 - Non-volatile memory circuit using ferroelectric capacitor storage element (2011-04-12),

3. 7672151 - Method for reading non-volatile ferroelectric capacitor memory cell (2010-03-02),

4. 7652909 - 2T/2C ferroelectric random access memory with complementary bit-line loads (2010-01-26),

5. 7570090 - Fast power-on detect circuit with accurate trip-points (2009-08-04),

6. 7313010 - Circuit for generating a centered reference voltage for a 1T/1C ferroelectric memory (2007-12-25),

7. 7271744 - Imprint-free coding for ferroelectric nonvolatile counters (2007-09-18),

8. 7176824 - Imprint-free coding for ferroelectric nonvolatile counters (2007-02-13),

9. 7142627 - Counting scheme with automatic point-of-reference generation (2006-11-28),

10. 7120220 - Non-volatile counter (2006-10-10),

11. 7116572 - Circuit for generating a centered reference voltage for a 1T/1C ferroelectric memory (2006-10-03),

12. 6894549 - Ferroelectric non-volatile logic elements (2005-05-17),

13. 6856573 - Column decoder configuration for a 1T/1C memory (2005-02-15),

14. 6853535 - Method for producing crystallographically textured electrodes for textured PZT capacitors (2005-02-08),

15. 6728093 - Method for producing crystallographically textured electrodes for textured PZT capacitors (2004-04-27),

Company Overview

Ramtron International Corporation, based in Colorado Springs, specializes in the development and manufacturing of advanced ferroelectric memory solutions. The company focuses on innovative technologies such as ferroelectric capacitors and non-volatile memory, addressing critical challenges in memory cell configuration and imprint mitigation. Their expertise extends to voltage boost circuits and capacitance sensing, positioning them as a key player in the integrated circuit domain, particularly in applications requiring reliable and efficient memory solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

134 Patents

#4 in Colorado Springs, CO

#58 in Colorado

#2,897 in US

#6,022 in the World

Colorado Springs, CO, United States of America

Ramtron International Corporation

Forward Citations = 3,575

72 inventors:

Dennis R Wilson (18 out of 19 patents)

William F Kraus (17 out of 17 patents)

Thomas A Evans (11 out of 11 patents)

4. George Argos, Jr (10 out of 10 patents)

5. Craig V Taylor (9 out of 44 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ramtron International Corporation. Retrieved from https://idiyas.com/company/ramtron-international

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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