This inventor holds 20 USPTO granted patents and 3 published patent applications and 9 EPO patents. Top assignees: Samsung Sdi Co., Inc., Samsung Display Devices Co., Ltd., Samsung Corning Co., Ltd.. Active years: 2000-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Seongnam, KR (2000)
- Songnam-shi, KR (2000)
- Suwon-si, KR (2004 - 2012)
- Yongin-si, KR (2011 - 2018)
Company Filing History:
17 out of 7,663 
2 out of 427 
1 out of 53 Years Active: 2000-2018
Title: Kwi-Seok Choi: Pioneering Innovations in Lithium Battery Technology
Introduction: Kwi-Seok Choi is a distinguished inventor based in Yongin-si, South Korea, with an impressive portfolio of 20 patents that focus on advancements in lithium battery technology. His contributions have significantly impacted the field, particularly through innovations designed to enhance battery performance and efficiency.
Latest Patents: Among Kwi-Seok Choi's notable inventions are two recent patents. The first is a positive electrode for lithium secondary batteries, which includes a lithium transition metal complex oxide comprising a lithium nickel-based complex oxide and/or a lithium cobalt-based complex oxide. This invention also incorporates active carbon with a specific surface area ranging from about 900 m²/g to about 1600 m²/g, along with a water-based binder.
The second patent involves a separator and method of manufacturing for lithium batteries. This separator features a porous substrate and a coating layer on at least one side of the substrate. The coating layer is designed with varying amounts of a polymer binder to enhance battery safety and performance. A rechargeable lithium battery constructed with this separator showcases the practical application of his innovative design.
Career Highlights: Kwi-Seok Choi has had a significant impact on the innovation landscape while working with prestigious companies such as Samsung SDI Co., Inc. and Samsung Display Devices Co., Ltd. His role in these companies has been instrumental in developing cutting-edge battery technologies.
Collaborations: Throughout his career, Kwi-Seok Choi has collaborated with notable colleagues, including Bum-Jin Chang and Ki-Jun Kim. These partnerships have fostered a collaborative environment that promotes innovation and addresses the challenging demands of modern battery technology.
Conclusion: Kwi-Seok Choi's contributions to the field of lithium battery technology through his extensive patent portfolio underscore his role as a leading inventor. As the demand for efficient and reliable batteries continues to grow, his innovative designs will undoubtedly play a crucial role in shaping the future of energy storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile