Cheongju, South Korea

Nam Seon Lee

This inventor holds 25 USPTO granted patents and 1 published patent application, primarily in Cutting Tools. Top assignees: Korloy Inc., Other. Active years: 1990-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nam Seon Lee. Retrieved from https://idiyas.com/inventor/nam-seon-lee

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

USPTO Granted Patents = 25 

% Patents Active = 96.0

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 167(Granted Patents)


Location History:

  • Kansuk-Dong Namdong-Ku, Inchon, KR (1990)
  • Cheongju-si, KR (2017 - 2023)

Company Filing History:

goldMedal5 out of 67 
 
Korloy Inc.
 patents
silverMedal1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2026

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Areas of Expertise:
Cutting Insert
Tool Holder
Metalworking
Machine Tools
Cutting Tool
Assembly
Efficiency
Performance
Car Cover
Multi-Use
25 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Nam Seon Lee

Introduction

Nam Seon Lee is a prominent inventor based in Cheongju-si, South Korea. With an impressive portfolio of 18 patents, he has made significant advancements in the field of cutting tools and inserts, showcasing his expertise and innovative spirit. His contributions have paved the way for improved efficiency in metalworking processes, demonstrating his commitment to enhancing manufacturing technology.

Latest Patents

Among Nam Seon Lee's latest inventions is a cutting insert and a cutting tool that incorporates it. This cutting insert is a double-sided component featuring an upper surface, a lower surface, a side surface, a cutting edge, and a mounting hole that extends through both surfaces. The design includes a unique upper surface boss that surrounds the mounting hole, with the cutting edge comprised of a main cutting edge, corner cutting edge, sub-cutting edge, and a side portion. The innovative geometry entails a first main cutting edge flank surface that forms an acute angle with an extension line of the upper surface boss portion, while a sub-cutting edge chip breaker surface displays a gradually increasing angle as it moves away from the corner cutting edge. Notably, the side portion surface is concavely recessed, optimizing performance in machine tools for metalworking.

Career Highlights

Throughout his career, Nam Seon Lee has held pivotal roles in several companies, most notably Korloy Inc., where he has dedicated his efforts to the development of cutting tools. His extensive experience in the industry has enabled him to hone his skills and foster innovation that addresses the evolving needs of manufacturers.

Collaborations

Nam Seon Lee has had the opportunity to collaborate with fellow inventors, including Young Heum Kim and Min Seok Oh. These partnerships have likely enriched his work, allowing for the exchange of ideas and fostering an environment of creativity that is essential for groundbreaking inventions.

Conclusion

Nam Seon Lee's contributions to the field of cutting tools and inserts are commendable. With 18 patents to his name, his innovations continue to influence the manufacturing sector, enhancing the efficiency and effectiveness of metalworking processes. As an inventor dedicated to his craft, Nam Seon Lee represents the spirit of innovation that drives the industry forward.

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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