Company Filing History:

7 out of 2,546

The United States of America As Represented by the Administrator of the

patents

4 out of 2,453

United States of America As Represented by the Administrator of Nasa

patents

1 out of 3,975

The United States of America As Represented by the United States

patents

4. 2 out of 832,891

Other

patents

Years Active: 1990-2005

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6888346 - Magnetoresistive flux focusing eddy current flaw detection (2005-05-03),

2. 6190589 - Fabrication of molded magnetic article (2001-02-20),

3. 6054210 - Molded magnetic article (2000-04-25),

4. 5942894 - Radially focused eddy current sensor for detection of longitudinal flaws (1999-08-24),

5. 5847562 - Thickness gauging of single-layer conductive materials with two-point (1998-12-08),

6. 5698977 - Eddy current method for fatigue testing (1997-12-16),

7. 5648721 - Rotating flux-focusing eddy current probe for flaw detection (1997-07-15),

8. 5617024 - Flux focusing eddy current probe (1997-04-01),

9. 5493511 - High speed thin plate fatigue crack monitor (1996-02-20),

10. 5164669 - Method of characterizing residual stress in ferromagnetic materials (1992-11-17),

11. 5121058 - Method and apparatus for using magneto-acoustic remanence to determine (1992-06-09),

12. 5117184 - Magnetic remanence method and apparatus to test materials for (1992-05-26),

13. 5109195 - Magneto acoustic emission method for testing materials for embrittlement (1992-04-28),

14. 4912411 - Magneto acoustic emission apparatus for testing materials for (1990-03-27),

Title: Min Namkung: Innovator in Magnetic Detection Technologies

Introduction

Min Namkung is a distinguished inventor based in Yorktown, Virginia, known for his significant contributions to the field of magnetic detection technologies. With a total of 14 patents to his name, he has developed innovative solutions that enhance the detection of flaws in conductive materials.

Latest Patents

One of his latest patents is the "Magnetoresistive Flux Focusing Eddy Current Flaw Detection" device. This advanced technology effectively detects deep flaws in thick multilayer conductive materials. The device utilizes an excitation coil to induce eddy currents in the material, while a giant magnetoresistive (GMR) sensor detects the generated fields. The design includes a highly permeable flux focusing lens that enhances the sensitivity of the GMR sensor, allowing for the identification of flaws up to 1 cm deep in aluminum alloy structures. Another notable patent is the "Fabrication of Molded Magnetic Article," which involves molding ferromagnetic particles embedded in a polymer binder into specific geometric shapes under heat and pressure.

Career Highlights

Throughout his career, Min Namkung has worked with prominent organizations, including the United States of America as represented by the Administrator of NASA. His work has significantly impacted the field of magnetic detection, leading to advancements in flaw detection technologies.

Collaborations

Min Namkung has collaborated with notable individuals such as Russell A. Wincheski and James Paul Fulton, contributing to the development of innovative technologies in his field.

Conclusion

Min Namkung's contributions to magnetic detection technologies exemplify his innovative spirit and dedication to advancing engineering solutions. His patents reflect a commitment to improving safety and efficiency in various applications.

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