Location History:
- Jung Rang-Ku Seoul, KR (1993)
- Pusan KR (2003)
- Seoul, KR (1993 - 2021)
Company Filing History:
2 out of 83 
1 out of 37 
1 out of 97 
Years Active: 1993-2025
Title: Jeong Min Lee: Innovator in Composite Charging Systems
Introduction
Jeong Min Lee is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of energy systems, particularly in the development of innovative charging technologies. With a total of 8 patents to his name, Lee's work focuses on enhancing the efficiency and flexibility of energy utilization.
Latest Patents
One of Lee's latest patents is a composite charging system and method. This invention relates to a system capable of producing charging power for electric vehicles by utilizing hydrogen energy supplied to hydrogen vehicles. The system efficiently connects hydrogen energy with a power system, allowing for flexible energy use. The composite charging system includes a hydrogen charger, a hydrogen power supply system, a system power supply system, an electric charger, and a battery power supply system that stores and supplies power.
Another notable patent is the switching control method for an isolated bidirectional DC-DC converter. This method facilitates high-efficiency control by using multiple switching controls based on the battery's voltage. The isolated bidirectional DC-DC converter connects a DC grid system and a battery, enhancing the system's efficiency through controlled switching of power flow.
Career Highlights
Throughout his career, Jeong Min Lee has worked with various companies, including Hyosung Corporation. His experience in the industry has allowed him to develop cutting-edge technologies that address current energy challenges.
Collaborations
Lee has collaborated with notable colleagues such as Byung Hwan Jeong and Seong Jae Lee. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Jeong Min Lee is a distinguished inventor whose work in composite charging systems and energy efficiency continues to impact the field. His innovative patents reflect a commitment to advancing technology for sustainable energy solutions.