Seoul, South Korea

Hyung Ju Lee

This inventor holds 15 USPTO granted patents and 5 published patent applications. Top assignees: Amkor Technology, Inc., Hyundai Motor Company, Kia Motors Corporation. Active years: 2002-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hyung Ju Lee. Retrieved from https://idiyas.com/inventor/hyung-ju-lee

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

USPTO Granted Patents = 15 

% Patents Active = 86.7

Average Co-Inventor Count = 1.7

ph-index = 7

Forward Citations = 151(Granted Patents)


Location History:

  • Seoul, KR (2002 - 2016)
  • Gimhae-si, KR (2019)
  • Gyeongsangnam-do, KR (2017 - 2021)
  • Gyeonggi-do, KR (2023)

Company Filing History:


Years Active: 2002-2023

Loading Chart...
15 patents (USPTO):Explore Patents

Title: The Innovations of Hyung Ju Lee

Introduction

Hyung Ju Lee is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of rare-earth permanent magnets, holding a total of 15 patents. His work has advanced the technology and manufacturing processes associated with these essential materials.

Latest Patents

One of his latest patents is focused on a rare-earth permanent magnet and the method of manufacturing it. This invention discloses a rare-earth permanent magnet that boasts improved magnetic properties. The method involves preparing a mixed powder that includes specific alloys, followed by press-forming and sintering the powder in a magnetic field. Additionally, a heat treatment is performed based on diffusion temperature conditions of the components contained in the sintered body. Another notable patent outlines a method for preparing a rare-earth permanent magnet, which includes applying mixtures of light and heavy rare-earth elements onto the surface of a sintered magnet and diffusing them under a vacuum atmosphere.

Career Highlights

Hyung Ju Lee has worked with notable companies such as Amkor Technology, Inc. and Hyundai Motor Company. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the field of magnet technology.

Collaborations

Throughout his career, Hyung Ju Lee has collaborated with talented individuals, including Young Suk Chung and Jae Hak Yee. These collaborations have fostered a creative environment that has led to groundbreaking advancements in their respective fields.

Conclusion

Hyung Ju Lee's contributions to the field of rare-earth permanent magnets are noteworthy and impactful. His innovative patents and collaborations highlight his dedication to advancing technology in this area. His work continues to influence the industry and inspire future innovations.

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]
Loading…