Hyung Kyun Yu

This inventor holds 38 USPTO granted patents and 41 published patent applications and 27 EPO patents, primarily in Pouch Battery Technology. Top assignees: Lg Energy Solution, Ltd., Lg Chem, Ltd, Korea Advanced Institute of Science and Technology. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hyung Kyun Yu. Retrieved from https://idiyas.com/inventor/hyung-kyun-yu

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

USPTO Granted Patents = 38 (Patent Applications = 41)

% Patents Active = 100.0

EPO Patents = 27 (Patent Applications = 116)

Average Co-Inventor Count = 5.1

ph-index = 2

Forward Citations = 15(Granted Patents)

Company Filing History:

25 out of 3,397

Lg Energy Solution, Ltd.

Korea Advanced Institute of Science and Technology

patents

where one patent can have more than one assignee

Years Active: 2018-2026

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Areas of Expertise:

Pouch Film Laminate

Pouch Type Battery Case

Secondary Battery

Electrode Lead

Venting Device

Fatigue Testing

Gas Discharge

Heat Dissipation

Injection-Molded Case

Metal Foil

Lithium Metal Battery

Ultrathin Foil

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12756040 - Pouch film laminate and secondary battery (2026-10-06),

2. 12695139 - Pouch-shaped battery cell having venting portion attached thereto and method of manufacturing the same (2026-07-28),

3. 12620655 - Pouch film laminate, pouch type battery case, and pouch type secondary battery (2026-05-05),

4. 12603361 - Pouch type battery case and pouch type secondary battery (2026-04-14),

5. 12580252 - Pouch-type battery case and pouch-type secondary battery (2026-03-17),

6. 12555870 - Battery case for secondary battery and method for manufacturing gas discharge part (2026-02-17),

7. 12537246 - Pouch film stack and secondary battery (2026-01-27),

8. 12500308 - Battery valve and battery including the same (2025-12-16),

9. 12394816 - Method for manufacturing electrode lead (2025-08-19),

10. 12292418 - Fatigue testing apparatus for metallic foil and method using same (2025-05-06),

11. 12278378 - Negative electrode current collector for lithium metal battery, secondary battery including the same, and method for manufacturing negative electrode current collector for lithium metal battery (2025-04-14),

12. 12257747 - Secondary battery comprising injection-molded battery case (2025-03-25),

13. 12206120 - Battery case for secondary battery and method for manufacturing pouch type secondary battery (2025-01-21),

14. 12166164 - Method of manufacturing a pouch-type secondary battery including irradiating an inner resin layer (2024-12-10),

15. 12153024 - System and method for fatigue testing of metal foil (2024-11-26),

Title: Hyung Kyun Yu: Innovator in Battery Technology

Introduction

Hyung Kyun Yu, based in Daejeon, South Korea, is a notable inventor with an impressive portfolio of 26 patents. His work primarily focuses on advancements in battery technology, particularly in the design and manufacturing of secondary batteries.

Latest Patents

Among his latest inventions are two significant patents: a battery case for a secondary battery and a method for manufacturing a pouch-type secondary battery. The battery case features a cup part that accommodates an electrode assembly with electrodes and separators. It also includes a sealing part and a gas discharge part designed for effective gas management. The gas discharge part utilizes a melted layer of thermoplastic resin, which becomes pliable when heated, combined with a thermosetting layer to ensure durability.

The method for manufacturing a pouch-type secondary battery involves several steps, including preparing an electrode assembly with a separator and forming a receiving part for the assembly within a laminate sheet case. This innovative method highlights the use of a crosslinking agent within the inner resin layer, consisting of polypropylene or polyethylene, to enhance battery performance.

Career Highlights

Hyung Kyun Yu has made significant contributions to major companies, including LG Chem, Ltd. and LG Energy Solution, Ltd. His experiences in these organizations have enabled him to refine his expertise and innovate within the battery industry.

Collaborations

Throughout his career, Hyung Kyun Yu has collaborated with talented individuals such as Sang Hun Kim and Soo Ji Hwang. Their collective efforts have undoubtedly propelled advancements in the field of energy storage solutions.

Conclusion

In conclusion, Hyung Kyun Yu is a distinguished inventor whose contributions to battery technology are impactful and forward-thinking. With an extensive patent portfolio and a dedication to innovation, he continues to shape the future of energy storage systems and battery manufacturing processes.

Profile summary based on public USPTO records.