This inventor holds 26 USPTO granted patents and 6 published patent applications and 9 EPO patents, primarily in Lithium-Ion Batteries. Top assignees: Samsung Electronics Co., Ltd., Amos Co., Ltd., Samsung Sdi Co., Inc.. Active years: 2003-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yongin-si, KR (2008 - 2019)
- Seoul, KR (2003 - 2020)
Company Filing History:
12 out of 138,671 
4 out of 4 
4 out of 7,663 
Years Active: 2003-2020
Areas of Expertise:
Title: The Innovative Mind of Eun-Sung Lee: A Leader in Semiconductor and Battery Technology
Introduction: Eun-Sung Lee, based in Seoul, Korea, is a prominent inventor known for his groundbreaking contributions to semiconductor devices and rechargeable lithium batteries. With an impressive portfolio of 26 patents, he has established himself as a key figure in technological innovation.
Latest Patents: Among his recent innovations, Eun-Sung Lee has developed a "Semiconductor device with an oxygen sink and method for fabricating the same." This semiconductor device comprises a first transistor featuring a first gate stack and a second transistor with a narrower second gate stack. A notable aspect of this invention is the inclusion of a dummy gate stack surrounding both gate stacks, which contains an oxygen sink layer designed to capture oxygen atoms diffusing from the exterior into the gate structures.
Additionally, he has invented a "Positive active materials for rechargeable lithium battery, positive electrode including same and rechargeable lithium battery." This invention introduces a positive active material represented by Chemical Formula 1, which, along with a corresponding positive electrode and rechargeable lithium battery, holds significant potential for advancements in battery technology.
Career Highlights: Eun-Sung Lee's impressive career includes key roles at renowned companies such as Samsung Electronics Co., Ltd. and Amos Co., Ltd. His work at these institutions has led to numerous innovations that have enhanced technology in electronics and energy storage systems.
Collaborations: Throughout his career, Eun-Sung Lee has collaborated with talented individuals such as Sang-Soo Jee and Jae-young Choi. These collaborations have played a crucial role in developing his innovative ideas and bringing them to fruition in the marketplace.
Conclusion: Eun-Sung Lee continues to push the boundaries of technology with his innovative patents and collaborative spirit. His contributions to semiconductor devices and battery technology not only reflect his expertise but also highlight the importance of continuous innovation in today's ever-evolving technological landscape.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile