For the Inventor, By the Inventor

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Cary, NC, United States of America

Qimonda North America Corporation

USPTO Granted Patents = 78

EPO Patents = 1

Forward Citations = 695

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68 inventors (with patents filed for the assignee):

Thomas Happ (30 out of 135 patents)

Jan Boris Philipp (28 out of 77 patents)

Thomas Nirschl (9 out of 67 patents)

4. Jong-Hoon Oh (5 out of 37 patents)

5. Oliver Kiehl (5 out of 38 patents)

6. Klaus Hummler (5 out of 31 patents)

7. Wayne Frederick Ellis (4 out of 99 patents)

8. Josef Schnell (4 out of 15 patents)

9. Lee Ward Collins (4 out of 8 patents)

10. Octavian Beldiman (4 out of 8 patents)

11. Rom-Shen Kao (4 out of 14 patents)

12. Jung Pill Kim (4 out of 26 patents)

13. Ming-Hsiu Lee (3 out of 126 patents)

14. Jong Hoon Oh (3 out of 9 patents)

15. Hoon Ryu (3 out of 5 patents)

Core Competencies:

Phase Change Memory

Integrated Circuits

Resistive Memory

Memory Device Refresh

Voltage Regulators

Error Detection

Multi-Bit Memory

Thermal Isolation

Signal Adjustment

Current Constriction

Memory Clock Signal

Self-Diagnostic Schemes

78 patents: Sort by Forward Citations

1. 8138028 - Method for manufacturing a phase change memory device with pillar bottom electrode (2012-03-20),

2. 8124950 - Concentric phase change memory element (2012-02-28),

3. 7977987 - System and method for signal adjustment (2011-07-12),

4. 7932507 - Current constricting phase change memory element structure (2011-04-26),

5. 7886122 - Method and circuit for transmitting a memory clock signal (2011-02-08),

6. 7872931 - Integrated circuit with control circuit for performing retention test (2011-01-18),

7. 7863610 - Integrated circuit including silicide region to inhibit parasitic currents (2011-01-04),

8. 7822910 - Method of flexible memory segment assignment using a single chip select (2010-10-26),

9. 7816961 - System and method for signal adjustment (2010-10-19),

10. 7812333 - Integrated circuit including resistivity changing material having a planarized surface (2010-10-12),

11. 7802133 - System and method for addressing errors in a multiple-chip memory device (2010-09-21),

12. 7800093 - Resistive memory including buried word lines (2010-09-21),

13. 7797511 - Memory refresh system and method (2010-09-14),

14. 7796424 - Memory device having drift compensated read operation and associated method (2010-09-14),

15. 7782703 - Semiconductor memory having a bank with sub-banks (2010-08-24),

Qimonda North America Corporation is a subsidiary of Qimonda AG, a leading manufacturer of memory products and solutions. Qimonda North America focuses on developing and marketing advanced memory technologies for various industries including automotive, telecommunications, and consumer electronics. With a strong commitment to innovation and quality, Qimonda North America strives to deliver high-performance memory solutions to meet the demands of a rapidly evolving market.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

78 Patents

#5 in Cary, NC

#115 in North Carolina

#4,539 in US

#9,283 in the World

Cary, NC, United States of America

Qimonda North America Corporation

Forward Citations = 695

68 inventors:

Thomas Happ (30 out of 135 patents)

Jan Boris Philipp (28 out of 77 patents)

Thomas Nirschl (9 out of 67 patents)

4. Jong-Hoon Oh (5 out of 37 patents)

5. Oliver Kiehl (5 out of 38 patents)

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