Uiwang, South Korea

Sang Hwa Lee

This inventor holds 19 USPTO granted patents and 18 published patent applications and 9 EPO patents, primarily in Polymer Chemistry. Top assignees: Cheil Industries Inc., Lotte Chemical Corporation, Lotte Advanced Materials Co., Ltd.. Active years: 2012-2025.

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

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

USPTO Granted Patents = 19 

% Patents Active = 78.9

 

Average Co-Inventor Count = 4.2

ph-index = 3

Forward Citations = 38(Granted Patents)


Location History:

  • Gunpo-si, KR (2014)
  • Seoul-si, KR (2014 - 2015)
  • Uiwang-si, KR (2012 - 2024)

Company Filing History:


Years Active: 2012-2025

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Areas of Expertise:
Polyamide Resin
Thermoplastic Resin
Polyester Composition
Molded Products
Light Stability
Heat Resistance
Surface Gloss
Discoloration Resistance
Yellowing Resistance
Thin-Wall Moldability
Photostability
Scratch Resistance
19 patents (USPTO):Explore Patents

Title: **The Innovations of Sang Hwa Lee: A Pioneer in Polyamide Resin Technology**

Introduction

Sang Hwa Lee, an accomplished inventor based in Uiwang-si, South Korea, has made significant contributions to the field of materials science. With a remarkable portfolio of 19 patents, he is known for his innovative developments in polyamide resin compositions. His work not only showcases technical expertise but also addresses practical applications in various industries.

Latest Patents

One of Sang Hwa Lee's latest patents is a novel polyamide resin composition that combines various elements to enhance performance properties. This composition contains approximately 100 parts by weight of a polyamide resin, which includes around 5 to 40 weight % of an aromatic polyamide resin and 60 to 95 weight % of an aliphatic polyamide resin. Additionally, it integrates an inorganic filler and modified polyalkylene glycol, which provides unique attributes such as excellent adhesiveness, antifouling properties, impact resistance, and injection moldability. Another significant patent details a polyamide resin composition comprising 15 to 49 wt % of an aromatic polyamide resin, 1 to 30 wt % of a polyamide resin with a specific glass transition temperature, and various additives that improve plating adhesion, heat resistance, and overall material characteristics.

Career Highlights

Throughout his career, Sang Hwa Lee has worked with renowned companies in the chemical sector. He has been associated with Cheil Industries Inc. and Lotte Chemical Corporation, where he contributed to the development of advanced materials. His work has had a lasting impact, influencing product innovation and aligning with market demands.

Collaborations

Sang Hwa Lee has collaborated with notable colleagues including Jong Cheol Lim and Sang Hyun Hong. Their partnerships have fostered an environment of creativity and innovation, leading to the successful development of multiple patents in the field of polyamide resins.

Conclusion

Sang Hwa Lee is a significant figure in the realm of polyamide resin technology. His innovative compositions and dedication to research have not only expanded the possibilities within materials science but have also set the stage for future advancements. As he continues to explore new frontiers in invention, the impact of his work is sure to resonate within the industry for years 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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