Nam Yeal Lee

This inventor holds 14 USPTO granted patents. Top assignees: Electronics and Telecommunications Research Institute, Hynix Semiconductor Inc., Cungbuk Nat'l Univ. Industry Academic Cooperation Foundation. Active years: 2006-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nam Yeal Lee. Retrieved from https://idiyas.com/inventor/nam-yeal-lee

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

USPTO Granted Patents = 14

% Patents Active = 64.3

Average Co-Inventor Count = 5.9

ph-index = 4

Forward Citations = 61(Granted Patents)

Location History:

Daejeon, KR (2006 - 2011)
Gyeonggi-do, KR (2010 - 2012)
Icheon, KR (2015)

Company Filing History:

7 out of 11,777

Electronics and Telecommunications Research Institute

patents

7 out of 6,228

Hynix Semiconductor Inc.

patents

1 out of 1

Cungbuk Nat'l Univ. Industry Academic Cooperation Foundation

patent

where one patent can have more than one assignee

Years Active: 2006-2015

Loading Chart...

14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE45356 - Phase-change memory device using Sb-Se metal alloy and method of fabricating the same (2015-02-02),

2. 8278218 - Electrical conductor line having a multilayer diffusion barrier for use in a semiconductor device and method for forming the same (2012-10-02),

3. 8080472 - [object Object] (2011-12-20),

4. 8053895 - Metal line of semiconductor device having a multilayer molybdenum diffusion barrier and method for forming the same (2011-11-08),

5. 8008708 - Metal line of semiconductor device having a diffusion barrier and method for forming the same (2011-08-30),

6. 7977674 - Phase change memory device and method of fabricating the same (2011-07-12),

7. 7920413 - Apparatus and method for writing data to phase-change memory by using power calculation and data inversion (2011-04-05),

8. 7875978 - Metal line having a multi-layered diffusion layer in a semiconductor device and method for forming the same (2011-01-25),

9. 7820546 - Method for manufacturing semiconductor device preventing loss of junction region (2010-10-26),

10. 7777336 - Metal line of semiconductor device and method for forming the same (2010-08-17),

11. 7547913 - Phase-change memory device using Sb-Se metal alloy and method of fabricating the same (2009-06-16),

12. 7417891 - Phase change memory device having semiconductor laser unit (2008-08-26),

13. 7233017 - Multibit phase change memory device and method of driving the same (2007-06-19),

14. 7026639 - Phase change memory element capable of low power operation and method of fabricating the same (2006-04-11),

Title: The Innovations of Nam Yeal Lee

Introduction

Nam Yeal Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 14 patents. His work focuses on developing advanced materials and methods that enhance the performance of electronic devices.

Latest Patents

One of his latest patents is a phase-change memory device using an Sb-Se metal alloy and a method of fabricating the same. This invention provides a phase-change memory device that utilizes a phase-change material with a low melting point and a high crystallization speed. The device includes an antimony (Sb)-selenium (Se) chalcogenide phase-change material layer that contacts a heat-generating electrode layer. This innovation allows for the manufacturing of a higher-speed, lower-power consumption phase-change memory device compared to traditional GST memory devices.

Another notable patent is for an electrical conductor line featuring a multilayer diffusion barrier for use in semiconductor devices. This electrical conductor includes an insulation layer, a diffusion barrier, and a metal line. The multilayer structure of the diffusion barrier consists of a TaN layer, an MoO layer, and an Mo layer, which enhances the performance of the semiconductor device.

Career Highlights

Nam Yeal Lee has worked with esteemed organizations such as the Electronics and Telecommunications Research Institute and Hynix Semiconductor Inc. His experience in these companies has allowed him to develop cutting-edge technologies that have a significant impact on the electronics industry.

Collaborations

He has collaborated with notable coworkers, including Dong Ha Jung and Seung Jin Yeom, contributing to various innovative projects in the field of semiconductor technology.

Conclusion

Nam Yeal Lee's contributions to the field of semiconductor technology through his patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in electronic devices, showcasing the importance of innovation in this rapidly evolving industry.

Profile summary based on public USPTO records.

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]