Il-Wook Han

This inventor holds 5 USPTO granted patents and 5 published patent applications, plus 6 CIPO patents and 2 EPO patents. Top assignees: Posco, Posco Gyeongsangbuk-Do. Active years: 2016-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Il-Wook Han. Retrieved from https://idiyas.com/inventor/il-wook-han

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

USPTO Granted Patents = 5 (Patent Applications = 5)

% Patents Active = 100.0

CIPO Patents = 6

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 4.5

ph-index = 2

Forward Citations = 6(Granted Patents)

Company Filing History:

Posco Gyeongsangbuk-Do

patent

Years Active: 2016-2020

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10864605 - High strength welding joint having excellent impact toughness at very low temperature, and flux-cored arc welding wire therefor (2020-12-15),

2. 10279436 - Flux-cored arc welding material having remarkable impact resistance and abrasion resistance (2019-05-07),

3. 10065272 - Super high-strength flux cored arc welded joint having excellent impact toughness, and welding wire for manufacturing same (2018-09-04),

4. 9981346 - Welded joint of extremely low-temperature steel, and welding materials for preparing same (2018-05-29),

5. 9492894 - Flux-cored arc welding wire for providing superior toughness and weldability to a welded joint at a low temperature, and welded joint using same (2016-11-15),

Title: The Innovative Contributions of Il-Wook Han

Introduction

Il-Wook Han is a prominent inventor based in Pohang-si, South Korea. He has made significant contributions to the field of welding technology, holding a total of 5 patents. His work focuses on developing high-strength welding materials that exhibit excellent toughness and resistance to extreme conditions.

Latest Patents

Among his latest patents is a high-strength welding joint that demonstrates exceptional impact toughness at very low temperatures. This innovation involves welding a cryogenic high-strength high-Mn steel, which includes specific compositions of carbon, silicon, manganese, chromium, molybdenum, sulfur, phosphorus, boron, titanium, nitrogen, and iron. Another notable patent is a flux-cored arc welding wire designed for similar applications, featuring a unique blend of materials that enhance its performance. Additionally, he has developed a flux-cored arc welding material that showcases remarkable impact resistance and abrasion resistance, making it suitable for demanding applications such as the oil sand industry.

Career Highlights

Il-Wook Han has worked with notable companies, including Posco and Posco Gyeongsangbuk-Do. His experience in these organizations has allowed him to refine his skills and contribute to advancements in welding technology.

Collaborations

Throughout his career, Il-Wook Han has collaborated with esteemed colleagues, including Bong-Keun Lee and Jeong-Kil Kim. These partnerships have fostered innovation and the sharing of ideas in the field of welding.

Conclusion

Il-Wook Han's contributions to welding technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing the field. His work continues to influence the industry and improve welding practices worldwide.

Profile summary based on public USPTO records.