Company Filing History:
2 out of 2 
1 out of 142 
1 out of 1 Years Active: 2000-2012
Title: Whanjin Roh - A Visionary Inventor in Battery Technology
Introduction
Whanjin Roh, based in Seoul, South Korea, is an innovative inventor known for his contributions to battery technology. With a portfolio of five patents, he has made significant strides in enhancing battery safety and efficiency.
Latest Patents
Among his latest patents is a groundbreaking safety venting mechanism with a tearing tooth structure for batteries. This invention involves a battery cell that features a flexible sidewall and a wall structure designed to manage excess pressure. The tooth structure extends towards the battery cell's sidewall, and is sharp enough to puncture the flexible wall when excess pressure builds up, ensuring that the battery remains safe under demanding conditions.
Another significant patent of Roh's is the design and fabrication of a stacked lithium secondary battery utilizing a folded configuration. This innovation allows for the efficient arrangement of cathode and anode plates, simplifying the manufacturing process. By adhering plates to a separator and successively folding it in a single direction, the process minimizes space and enhances the charge/discharge characteristics and cycle life of the battery.
Career Highlights
Whanjin Roh has worked with leading companies in the battery industry, including Enerland Co., Ltd. and A123 Systems LLC. His expertise in battery technology and innovative approaches have made him a valuable asset in the development of advanced energy storage solutions.
Collaborations
Throughout his career, Roh has collaborated with talented individuals in the industry, including Mujeeb Ismael Ijaz and Shazad Mahmood Butt. These partnerships have fostered an environment of creativity and innovation, allowing for the advancement of battery technologies.
Conclusion
With his impressive track record and continuous advancements in battery technology, Whanjin Roh is an influential figure in the innovation landscape. His patents not only highlight his inventive spirit but also contribute to the ongoing evolution of energy storage solutions. As the demand for efficient and safe batteries grows, Roh's work is likely to play a crucial role in shaping the future of this industry.