Gwangju, South Korea

Yong-Tak Lee

This inventor holds 13 USPTO granted patents and 5 published patent applications and 3 EPO patents. Top assignees: Samsung Electronics Co., Ltd., Gwangju Institute of Science and Technology, Edith Cowan University. Active years: 2003-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yong-Tak Lee. Retrieved from https://idiyas.com/inventor/yong-tak-lee

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

USPTO Granted Patents = 13 

% Patents Active = 46.2

 

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 82(Granted Patents)


Location History:

  • Kwangju, KR (2003)
  • Yongin-shi, KR (2003)
  • Kyunggi-do, KR (2003 - 2006)
  • Gwangju, KR (2011 - 2016)

Company Filing History:


Years Active: 2003-2016

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13 patents (USPTO):Explore Patents

Title: Yong-Tak Lee: Innovator in Optical Devices

Introduction

Yong-Tak Lee is a prominent inventor based in Gwangju, South Korea. He has made significant contributions to the field of optical devices, holding a total of 13 patents. His work focuses on innovative technologies that enhance the efficiency and functionality of light-emitting devices.

Latest Patents

Among his latest patents is the "Silicon DBR structure-integrated light element, and preparation method." This invention relates to a silicon DBR structure-integrated light device, specifically a vertical cavity light-emitting diode. It enables preparation using a small number of layers, which reduces process time and costs due to the large contrast in refractive index of the silicon DBR structure formed by depositing silicon in a slanted or vertical manner. Another notable patent is for an "Optical device including three-coupled quantum well structure having multi-energy level." This optical device features an active layer with two outer barriers and a coupled quantum well, which includes multiple quantum well layers with varying thicknesses and energy levels.

Career Highlights

Yong-Tak Lee has worked with notable organizations such as Samsung Electronics Co., Ltd. and the Gwangju Institute of Science and Technology. His experience in these institutions has allowed him to develop cutting-edge technologies and contribute to advancements in optical devices.

Collaborations

He has collaborated with esteemed colleagues, including Yong-chul Cho and Yong-hwa Park, to further enhance his research and development efforts in the field.

Conclusion

Yong-Tak Lee's innovative work in optical devices and his impressive portfolio of patents highlight his significant impact on the industry. His contributions continue to pave the way for advancements in technology and efficiency in light-emitting devices.

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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