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For the Inventor, By the Inventor

Daejeon, South Korea

Kwang-Joo Lee

This inventor holds 8 USPTO granted patents and 3 published patent applications. Top assignee: Lg Chem, Ltd. Active years: 2012-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kwang-Joo Lee. Retrieved from https://idiyas.com/inventor/kwang-joo-lee-4bfplu6n

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 87.5

Average Co-Inventor Count = 4.5

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Daejeon Metropolitan, KR (2013)
  • Daejeon, KR (2012 - 2018)

Company Filing History:

goldMedal8 out of 8,655 
 
Lg Chem, Ltd
 patents

Years Active: 2012-2018

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8 patents (USPTO):Explore Patents
1. 9865480 - Printed circuit board including under-fill dam and fabrication method thereof (2018-01-09),
2. 9410017 - Poly-amic acid, photo-sensitive resin composition, dry film, and circuit board (2016-08-09),
3. 9049778 - Polyamic acid, photosensitive resin composition, dry film and circuit board (2015-06-02),
4. 8551687 - Alkali developable photosensitive resin composition and dry film manufactured by the same (2013-10-08),
5. 8354219 - Photosensitive resin composition and dry film comprising the same (2013-01-15),
6. 8349538 - Photo-curable and thermo-curable resin composition, and a dry film solder resist (2013-01-08),
7. 8334092 - Photo-sensitive resin composition and a protective film for printed circuit board having superior heat resistant and mechanical property (2012-12-18),
8. 8288656 - Low temperature curable photosensitive resin composition and dry film manufactured by using the same (2012-10-16),

Title: Kwang-Joo Lee: Innovator in Circuit Board Technology

Introduction

Kwang-Joo Lee is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of circuit board technology, holding a total of eight patents. His innovative work focuses on enhancing the performance and reliability of electronic components.

Latest Patents

Among his latest patents is a printed circuit board that includes an under-fill dam and a fabrication method thereof. This invention relates to an under-fill dam with high detection probability, composed of a dry film solder resist, which is designed to prevent leaks of under-fill material between a substrate and a chip device. Another notable patent involves a novel poly-amic acid introduced with an imidazolyl group in the polymer chain. This invention includes a photosensitive resin composition that provides excellent bending properties, low stiffness, heat resistance, and coating resistance, along with a dry film obtained from the photosensitive resin composition and a circuit board that incorporates this dry film.

Career Highlights

Kwang-Joo Lee is currently employed at LG Chem, Ltd., where he continues to push the boundaries of innovation in circuit board technology. His work has been instrumental in developing materials that enhance the functionality and durability of electronic devices.

Collaborations

He has collaborated with notable coworkers, including You-Jin Kyung and Hee-Jung Kim, contributing to various projects that aim to advance the field of electronics.

Conclusion

Kwang-Joo Lee's contributions to circuit board technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the development of advanced electronic components.

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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