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For the Inventor, By the Inventor

Seoul, South Korea

Sang Kook Han

This inventor holds 8 USPTO granted patents. Top assignees: Yonsei University, Patra Co., Ltd.. Active years: 2007-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sang Kook Han. Retrieved from https://idiyas.com/inventor/sang-kook-han

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 22(Granted Patents)


Location History:

  • Ansan City, Kyunggi-Do, KR (2007)
  • Seoul, KR (2017 - 2020)

Company Filing History:

goldMedal5 out of 1,486 
 
Yonsei University
 patents
silverMedal2 out of 7 
 
Patra Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2007-2025

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8 patents (USPTO):Explore Patents
1. D1077494 - Chair (2025-06-03),
2. D878793 - Chair (2020-03-24),
3. 10154488 - Dynamic sub-band allocation in the time-variant channel (2018-12-11),
4. 10020892 - Apparatus and method of in-phase/quadrature separated dual multicarrier transmission for coherent optical transmission (2018-07-10),
5. 10003408 - Receiving method and receiver device for a coherent optical communication system (2018-06-19),
6. 9979485 - Method and apparatus for cancelling interference noise in optical communication system (2018-05-22),
7. 9749047 - Optical network unit capable of reducing optical beat interference and method for controlling the same (2017-08-29),
8. D543370 - Chair without armrest (2007-05-29),

Title: The Innovative Journey of Sang Kook Han

Introduction

Sang Kook Han is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of innovation, holding a total of 8 patents. His work reflects a commitment to advancing technology and design, particularly in the realm of furniture.

Latest Patents

One of his latest inventions is a unique chair design that showcases his creativity and understanding of ergonomics. This chair not only serves a functional purpose but also emphasizes aesthetic appeal, making it a valuable addition to modern interiors.

Career Highlights

Sang Kook Han has had a distinguished career, working with notable institutions such as Yonsei University. His experience in academia has allowed him to blend theoretical knowledge with practical applications, enhancing his innovative capabilities. Additionally, he has contributed to Patra Co., Ltd., where he further honed his skills in product development.

Collaborations

Throughout his career, Sang Kook Han has collaborated with talented individuals, including Kyoung Hak Mun and Seung Min Yang. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking inventions.

Conclusion

Sang Kook Han's journey as an inventor is marked by his dedication to innovation and collaboration. His contributions, particularly in furniture design, continue to influence the industry and inspire future inventors.

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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