Suwon, South Korea

Woo-Chang Lim

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Samsung Electronics Co., Ltd.. Active years: 2021-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Woo-Chang Lim. Retrieved from https://idiyas.com/inventor/woo-chang-lim-0p15lrla

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Location History:

  • Suwon-si, KR (2021)
  • Seongnam-si, KR (2023)

Company Filing History:


Years Active: 2021-2023

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2 patents (USPTO):Explore Patents

Title: Woo-Chang Lim: Innovator in Magnetoresistive Random Access Memory Technology

Introduction

Woo-Chang Lim is a prominent inventor based in Suwon-si, South Korea. He has made significant contributions to the field of memory technology, particularly in the development of magnetoresistive random access memory (MRAM) devices. With a total of 2 patents to his name, Lim continues to push the boundaries of innovation in this critical area of electronics.

Latest Patents

Lim's latest patents focus on advanced methods for manufacturing MRAM devices. One of his notable inventions involves a method that includes forming a first magnetic layer on a substrate, followed by the creation of a first tunnel barrier layer that incorporates a first metal oxide. This metal oxide is produced by oxidizing a first metal layer at a specific temperature. The process continues with the formation of a second tunnel barrier layer, which includes a second metal oxide created by oxidizing a second metal layer at a higher temperature than the first. Finally, a second magnetic layer is formed on the second tunnel barrier layer, enhancing the performance and efficiency of MRAM technology.

Career Highlights

Woo-Chang Lim is currently employed at Samsung Electronics Co., Ltd., a leading global technology company. His work at Samsung has allowed him to collaborate with some of the brightest minds in the industry, contributing to groundbreaking advancements in memory technology.

Collaborations

Lim has worked alongside talented colleagues such as Whan-Kyun Kim and Deok-Hyeon Kang. Their collaborative efforts have played a crucial role in the development of innovative solutions in the field of MRAM.

Conclusion

Woo-Chang Lim's contributions to the field of magnetoresistive random access memory technology highlight his role as a key innovator. His patents and collaborative work at Samsung Electronics Co., Ltd. demonstrate his commitment to advancing memory technology.

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]
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