Daejeon, South Korea

Dae-Sik Choi

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Lg Chem, Ltd. Active years: 2013-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dae-Sik Choi. Retrieved from https://idiyas.com/inventor/dae-sik-choi-5b08t1tj

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

Calculating rank

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.4

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Gyeonggi-do, KR (2013)
  • Daejeon, KR (2017)

Company Filing History:


Years Active: 2013-2017

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2 patents (USPTO):Explore Patents

Title: Dae-Sik Choi: Innovator in Battery Technology

Introduction

Dae-Sik Choi 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 secondary batteries. With a total of 2 patents to his name, Choi's work focuses on enhancing the efficiency and safety of battery systems.

Latest Patents

One of Choi's latest patents is an "Apparatus and method for sealing pouch case of secondary battery." This invention optimizes the sealing shape or structure of the sealing portion at the inner side of the pouch case to ensure insulation of a secondary battery. The apparatus includes an upper compression jig that applies pressure to the sealing portion in a downward direction, and a lower compression jig that applies pressure in an upward direction. Notably, at least one of these jigs applies pressure at different depths at the inner side end and the outer side end of the pouch case.

Another significant patent is for a "Secondary battery having tab with blowing agent and manufacturing method thereof." This invention describes a secondary battery that includes an electrode assembly and a case designed to receive the electrode assembly and an electrolyte. The battery features a blowing agent applied to at least one of the tabs connected to the electrode plates, enhancing its performance and reliability.

Career Highlights

Dae-Sik Choi is currently employed at LG Chem, Ltd., a leading company in the chemical and battery industry. His work at LG Chem has positioned him as a key player in advancing battery technology, contributing to the company's reputation for innovation and quality.

Collaborations

Choi has collaborated with notable colleagues, including Seung-Don Choi and Ji-Hoon Jeon. Their combined expertise has fostered a collaborative environment that encourages innovation and the development of cutting-edge technologies in the battery sector.

Conclusion

Dae-Sik Choi's contributions to battery technology through his patents and work at LG Chem highlight his role as an influential inventor in the field. His innovative approaches to sealing and manufacturing secondary batteries are paving the way for advancements in energy storage solutions.

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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