Busan, South Korea

Dong Sick Chang

This inventor holds 1 USPTO granted patent. Top assignee: Trion Corporation. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dong Sick Chang. Retrieved from https://idiyas.com/inventor/dong-sick-chang

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


Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Innovations by Dong Sick Chang in Shoelace Technology

Introduction

Dong Sick Chang is an innovative inventor based in Busan, South Korea. He has made significant contributions to the field of shoelace technology, particularly through his unique patent that enhances the functionality of shoelaces. His work focuses on improving the tension maintenance of shoelaces, which is crucial for various applications.

Latest Patents

Dong Sick Chang holds a patent for an "Enhanced shoelaces for maintaining tension with new process for manufacturing and products thereby." This innovative design includes an enhanced lace tightening system featuring a plurality of apertures that extend through the main body of the shoelace. The design incorporates smoothly finished end caps that allow for unimpeded passage through the apertures. The manufacturing process includes a finishing step that generates end caps without frayed edges, facilitating rapid positioning of the laces with minimal tension loss. The products developed from this process utilize silicone, metallic elements, and related enhancements, providing improved shoelaces for various applications aimed at drawing and fixing together two opposite edges.

Career Highlights

Dong Sick Chang is associated with Trion Corporation, where he continues to develop and refine his innovative ideas. His work has garnered attention for its practical applications and potential to revolutionize the shoelace industry.

Collaborations

He collaborates with talented coworkers, including James Jong Lee and Jin Do Kim, who contribute to the development and implementation of his innovative concepts.

Conclusion

Dong Sick Chang's contributions to shoelace technology exemplify the impact of innovation in everyday products. His patent not only enhances the functionality of shoelaces but also showcases the potential for further advancements in this area.

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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