Location History:
- Whasung-Si, KR (2021)
- Yongin-si, KR (2022)
- Gyeonggi-do, KR (2021 - 2023)
Company Filing History:
6 out of 18,640 
6 out of 8,087 
Years Active: 2021-2023
Title: Innovations of Nam Koo Han
Introduction
Nam Koo Han is a notable inventor based in Yongin-si, South Korea. He has made significant contributions to the field of vehicle technology, particularly in the areas of inverter protection and rapid charging systems. With a total of six patents to his name, his work reflects a commitment to enhancing vehicle performance and safety.
Latest Patents
One of his latest patents is a "System and method for protecting inverter in vehicle from overvoltage." This innovative system includes a first inverter with switching elements that convert energy from an energy storage device into AC power. A first motor is driven by the converted AC power, while a second inverter operates in parallel, also converting energy into AC power for a second motor. The system features a first capacitor that stores electric energy during regenerative braking and a controller that manages the relay and switching elements based on voltage levels.
Another significant patent is the "Fault diagnosis apparatus and method of rapid charging system for vehicle." This apparatus includes an external device that exchanges power with a vehicle battery and a power transfer unit with a three-phase motor and inverter. The controller in this system is responsible for managing the relay functions and diagnosing faults by comparing voltages across the relays.
Career Highlights
Nam Koo Han has worked with prominent companies in the automotive industry, including Hyundai Motor Company and Kia Motors Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in vehicle technology.
Collaborations
Throughout his career, Nam Koo Han has collaborated with talented individuals such as Ho Joon Shin and Sang Yoo Lee. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Nam Koo Han's contributions to vehicle technology through his patents and collaborations highlight his role as an influential inventor in the automotive industry. His work continues to pave the way for advancements in vehicle safety and efficiency.