This inventor holds 6 USPTO granted patents and 22 published patent applications and 1 EPO patent. Top assignees: Youlchon Chemical Co., Ltd., Lg Display Co., Ltd., Youlchon Chemical Ltd.. Active years: 2011-2026.
Location History:
- Gunpo-si, KR (2011 - 2014)
- Siheung-si, KR (2015)
- Gyeonggi-do, KR (2024)
Company Filing History:

Years Active: 2011-2026
Title: Hee Sik Han: Innovator in Battery Technology
Introduction
Hee Sik Han is a notable inventor based in Gunpo, South Korea. He has made significant contributions to the field of battery technology, particularly in the development of secondary battery pouch films. With a total of 6 patents to his name, his work has been instrumental in advancing the efficiency and manufacturing processes of battery components.
Latest Patents
Among his latest patents is a method for manufacturing a secondary battery pouch film that includes a primer layer composition. This innovative method involves applying and heating a primer layer composition on a metal layer, which allows for the drying and curing of the primer layer. The organic solvent-based emulsion composition used in this process contains acid-modified polypropylene and a curing agent, with specific temperature parameters for curing and drying. This method does not require a thermal lamination process when laminating the sealant layer, showcasing a significant advancement in manufacturing techniques.
Career Highlights
Hee Sik Han has worked with prominent companies in the industry, including Youlchon Chemical Co., Ltd. and LG Display Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions for battery technology.
Collaborations
He has collaborated with several professionals in his field, including Sang Min Lee and Han Jun Kang, who have contributed to his projects and innovations.
Conclusion
Hee Sik Han's contributions to battery technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in battery manufacturing processes and materials.