Company Filing History:
1 out of 24 
1 out of 2 Years Active: 2013
Title: Innovations of Chang Wook Ha in Agricultural Electric Vehicles
Introduction
Chang Wook Ha is a notable inventor based in Changnyeong-gun, South Korea. He has made significant contributions to the field of agricultural electric vehicles, particularly through his innovative patent. His work focuses on enhancing the performance and efficiency of electric vehicles used in agriculture.
Latest Patents
Chang Wook Ha holds a patent for a load-sensitive automatic transmission system designed specifically for agricultural electric vehicles. This system includes a drive motor that generates rotational power using electric energy from a battery. It features a transmission that alters the rotational speed of the drive motor in multiple stages, allowing for a more adaptable performance. The system also incorporates a forward/reverse differential gear to transmit power to the wheels, a control unit that detects the vehicle's running and load states, and an actuator that operates the transmission based on signals from the control unit. This innovative design enables the vehicle to provide high speed and torque as needed, overcoming the limitations of conventional electric vehicle motor performance.
Career Highlights
Throughout his career, Chang Wook Ha has worked with prominent companies in the industry. He has been associated with Daedong Industrial Co., Ltd. and Hankuk Chain Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced technologies for electric vehicles.
Collaborations
Chang Wook Ha has collaborated with talented individuals in his field, including Byoung Soo Kwon and Sung Do Im. These partnerships have likely fostered innovation and creativity in his projects.
Conclusion
Chang Wook Ha's contributions to the field of agricultural electric vehicles through his innovative patent demonstrate his commitment to advancing technology in this sector. His work not only enhances vehicle performance but also addresses the specific needs of agricultural applications.