Hwaseong, South Korea

Hajun Sung

This inventor holds 15 USPTO granted patents and 19 published patent applications and 4 EPO patents, primarily in Chalcogenide Memory Devices. Top assignees: Samsung Electronics Co., Ltd., Samsung Electronics Co., Ltd., Yonsei University. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajun Sung. Retrieved from https://idiyas.com/inventor/hajun-sung

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

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 93.3

 

Average Co-Inventor Count = 6.5

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2023-2026

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Areas of Expertise:
Chalcogenide Film
Memory Element
Phase-Change Heterostructure
Semiconductor Device
Switching Device
Memory Material
Electronic Apparatus
Metal-Doped Device
Memory Apparatus
Chalcogen Compound
Phase-Change Memory
Memory Structure
15 patents (USPTO):Explore Patents

Title: Innovations by Hajun Sung in Semiconductor Technology

Introduction: Hajun Sung is a prominent inventor based in Hwaseong-si, South Korea, known for his contributions to the semiconductor industry. With two patents to his name, Sung has played a vital role in advancing semiconductor technology, particularly through the use of chalcogen compounds.

Latest Patents: Sung’s latest patents focus on semiconductor devices that include innovative chalcogen compound layers. One of his notable inventions is a semiconductor device that incorporates a chalcogen compound layer exhibiting ovonic threshold switching characteristics. This design allows for the integration of multiple chalcogen compound layers, which possess different energy band gaps. Additionally, his patents detail a chalcogen compound layer that features a concentration gradient of elements such as boron (B), aluminum (Al), scandium (Sc), manganese (Mn), strontium (Sr), and indium (In). These advancements aim to ensure that the switching device maintains stable characteristics while minimizing off-current values.

Career Highlights: Hajun Sung is currently associated with Samsung Electronics Co., Ltd., where his expertise in semiconductor technology is leveraged to create cutting-edge devices. His innovative approaches and construction of sophisticated semiconductor apparatus have reinforced his reputation as a leading inventor in his field.

Collaborations: Throughout his career, Hajun Sung has collaborated with talented individuals such as Bonwon Koo and Chungman Kim. Their collective efforts have fostered an environment of creativity and problem-solving, resulting in significant enhancements in semiconductor technology.

Conclusion: Hajun Sung stands out as a key figure in the semiconductor arena, driven by his passion for innovation and his relentless pursuit of technological advancements. His contributions, particularly through his patented inventions, illustrate his commitment to enhancing the capabilities and efficiencies of semiconductor devices.

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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