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For the Inventor, By the Inventor

Seoul, South Korea

Sang Youl Lee

This inventor holds 122 USPTO granted patents and 2 published patent applications and 41 EPO patents, primarily in Semiconductor Packaging (CPC class H01L33-44). Top assignees: Lg Innotek Co., Ltd., Suzhou Lekin Semiconductor Co., Ltd.. Active years: 2010-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sang Youl Lee. Retrieved from https://idiyas.com/inventor/sang-youl-lee

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

USPTO Granted Patents = 122 

% Patents Active = 81.1

 

Average Co-Inventor Count = 2.5

ph-index = 9

Forward Citations = 475(Granted Patents)

Forward Citations (Not Self Cited) = 440(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Gwangsan-gu, KR (2013)
  • Gwangju, KR (2010 - 2016)
  • Jeonju-si, KR (2013 - 2020)
  • Seoul, KR (2011 - 2024)

Company Filing History:

goldMedal116 out of 5,406 
 
Lg Innotek Co., Ltd.
 patents
silverMedal6 out of 85 
 
Suzhou Lekin Semiconductor Co., Ltd.
 patents

Years Active: 2010-2025

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Areas of Expertise:
Semiconductor Device
Light Emitting Device
Display Apparatus
Device Package
Lighting Apparatus
Thin Film Transistor
Electrode Structure
Reliability Improvement
Manufacturing Method
Light Emitting Element
Display Panel
Semiconductor Module
122 patents (USPTO):Explore Patents
1. 12406935 - Semiconductor device package (2025-09-02),
2. 12057537 - Semiconductor device and light emitting element package including same (2024-08-06),
3. 11894307 - Semiconductor device package (2024-02-06),
4. 11682751 - Display apparatus (2023-06-20),
5. 11469354 - Semiconductor device and head lamp comprising same (2022-10-11),
6. 11450788 - Semiconductor device (2022-09-20),
7. 11398581 - Semiconductor device (2022-07-26),
8. 11335838 - Light emitting apparatus (2022-05-17),
9. 11239394 - Semiconductor device and display device including the same (2022-02-01),
10. 11158668 - Semiconductor module and display device including same (2021-10-26),
11. 10892390 - Light-emitting element and light-emitting element package including the same (2021-01-12),
12. 10833226 - Light emitting device and light emitting device package (2020-11-10),
13. 10790330 - Semiconductor device and display device comprising same (2020-09-29),
14. 10755981 - Display device manufacturing method (2020-08-25),
15. 10651345 - Light emitting device, light emitting device package including the device, and lighting apparatus including the package (2020-05-12),

Title: The Innovative Journey of Inventor Sang Youl Lee

Introduction: Sang Youl Lee is a pioneering inventor hailing from Seoul, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Sang Youl Lee holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Sang Youl Lee has demonstrated a remarkable ability to transform ideas into tangible inventions that have the potential to revolutionize industries.

Collaborations: Sang Youl Lee has collaborated with leading research institutions, universities, and tech companies to further his innovative pursuits, fostering a culture of creativity and forward thinking.

Conclusion: In conclusion, Sang Youl Lee stands as a testament to the power of innovation and the impact that dedicated inventors can have on shaping the future of technology. His relentless pursuit of excellence continues to inspire generations of inventors to come.

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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