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For the Inventor, By the Inventor

Daejeon, South Korea

Hoe Jin Hah

This inventor holds 25 USPTO granted patents and 14 published patent applications and 19 EPO patents, primarily in Lithium-Ion Batteries. Top assignees: Lg Chem, Ltd, Lg Energy Solution, Ltd., Palo Alto Research Center Inc.. Active years: 2017-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hoe Jin Hah. Retrieved from https://idiyas.com/inventor/hoe-jin-hah

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 = 92.0

 

Average Co-Inventor Count = 4.9

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:

goldMedal18 out of 8,625 
 
Lg Chem, Ltd
 patents
silverMedal5 out of 3,397 
 
Lg Energy Solution, Ltd.
 patents
bronzeMedal2 out of 2,079 
 
Palo Alto Research Center Inc.
 patents
4. 2 out of 2 
 
Research Affairs of Snu & Snu R&db Foundation
 patents
5. 1 out of 274 
 
Daegu Gyeongbuk Institute of Science and Technology
 patents
6. 1 out of 11,777 
 
Electronics and Telecommunications Research Institute
 patents
7. 1 out of 1,237 
 
Industry-University Cooperation Foundation Hanyang University
 patents
where one patent can have more than one assignee

Years Active: 2017-2026

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Areas of Expertise:
All-Solid Lithium Battery
Electrode Active Material
Solid Electrolyte Membrane
Lithium Metal Electrode
Battery Management
High-Capacity Negative Electrode
Gas Permeable Membrane
Electrolyte Supply
Energy Density
Lifespan Characteristics
Coating Layer
Positive Electrode Mixture
25 patents (USPTO):Explore Patents
1. 12706298 - All-solid lithium secondary battery and preparation method thereof (2026-08-11),
2. 12671093 - Negative electrode including coating layer and ion transport layer, and lithium secondary battery including the same (2026-06-30),
3. 12531313 - Porous frame-based solid electrolyte membrane and manufacturing method thereof, and all-solid-state battery including the same (2026-01-20),
4. 12288870 - Method of manufacturing positive electrode mixture for all-solid-state batteries and positive electrode mixture for all-solid-state batteries manufactured using the same (2025-04-29),
5. 11740296 - Device and method for measuring resistance of pressurized separator (2023-08-29),
6. 11050047 - Method for manufacturing secondary battery using lithium metal as negative electrode (2021-06-29),
7. 11005092 - 3D pattern cutting machine for lithium metal electrode (2021-05-11),
8. 10873105 - Electrode for secondary battery and lithium secondary battery including same (2020-12-22),
9. 10777855 - Embedded fiber optic cables for battery management (2020-09-15),
10. 10741841 - Electrode active material having improved energy density and lithium secondary battery including the same (2020-08-11),
11. 10608289 - Method of manufacturing secondary battery electrode containing PTC material and electrode manufactured thereby (2020-03-31),
12. 10581073 - Secondary battery including high-capacity negative electrode and method of manufacturing the same (2020-03-03),
13. 10468726 - Negative electrode for preventing deposition of manganese and battery cell including the same (2019-11-05),
14. 10446886 - Embedded fiber optic cables for battery management (2019-10-15),
15. 10439208 - Negative electrode active material for secondary batteries having improved lifespan characteristics (2019-10-08),

Title: Inventor Hoe Jin Hah: Revolutionizing Technology in Daejeon, KR

Introduction: Hoe Jin Hah is a visionary inventor based in Daejeon, South Korea, known for his groundbreaking contributions to the field of technology.

Latest Patents: Hoe Jin Hah holds several patents in the areas of artificial intelligence, robotics, and renewable energy, showcasing his innovative spirit and commitment to advancing these industries.

Career Highlights: With a career spanning over two decades, Hoe Jin Hah has worked with leading tech companies in South Korea, spearheading projects that have led to significant advancements in automation and sustainable technologies.

Collaborations: Throughout his career, Hoe Jin Hah has collaborated with top researchers and engineers both locally and internationally, fostering a culture of innovation and knowledge-sharing in the tech community.

Conclusion: Hoe Jin Hah's relentless pursuit of innovation and his passion for pushing the boundaries of technology make him a true pioneer in the field, with a lasting impact on the industry in Daejeon and beyond.

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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