Daejeon, South Korea

Yeon Hwa Song

This inventor holds 3 USPTO granted patents and 14 published patent applications. Top assignees: Sk on Co., Ltd., Sk on Co., Ltd.. Active years: 2024-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yeon Hwa Song. Retrieved from https://idiyas.com/inventor/yeon-hwa-song

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

USPTO Granted Patents = 3 

% Patents Active = 33.3

Average Co-Inventor Count = 9.0

ph-index = 1


Company Filing History:


Years Active: 2024-2026

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3 patents (USPTO):Explore Patents

Title: Yeon Hwa Song: Innovator in Lithium Battery Technology

Introduction

Yeon Hwa Song is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of battery technology, particularly in the development of lithium secondary batteries. His innovative work has the potential to enhance the performance and efficiency of energy storage systems.

Latest Patents

Yeon Hwa Song holds a patent for a cathode designed for lithium secondary batteries. The patent, titled "Cathode for lithium secondary battery and lithium secondary battery including the same," describes a cathode that features a current collector and an active material layer. This active material layer consists of lithium metal oxide particles containing nickel and manganese, with a cobalt content of less than 2 mol % among all elements except for lithium and oxygen. The Raman spectrum of the cathode active material layer shows an ID/IG ratio ranging from 0.5 to 1.25, indicating its unique properties.

Career Highlights

Yeon Hwa Song is currently employed at SK On Co., Ltd., a leading company in the battery manufacturing sector. His work at SK On has allowed him to focus on advancing battery technologies that are crucial for various applications, including electric vehicles and renewable energy storage.

Collaborations

Throughout his career, Yeon Hwa Song has collaborated with notable colleagues, including Yong Seok Lee and Jae Ram Kim. These collaborations have fostered a productive environment for innovation and have contributed to the development of cutting-edge battery technologies.

Conclusion

Yeon Hwa Song's contributions to lithium battery technology exemplify the importance of innovation in energy storage solutions. His patent and ongoing work at SK On Co., Ltd. highlight his role as a key player in the advancement of sustainable energy technologies.

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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