Company Filing History:
7 out of 131,611 
2 out of 167 
Years Active: 2020-2025
Title: Duhee Jang: Innovator in Electronic Apparatus Technology
Introduction
Duhee Jang is a prominent inventor based in Suwon-si, South Korea. He has made significant contributions to the field of electronic apparatus technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and functionality of electronic devices.
Latest Patents
Among his latest patents is an innovative electronic apparatus and control method. This invention includes a power factor correction (PFC) circuit and a control circuit designed to manage the operation of the PFC circuit. The PFC circuit features a first inductor part connected to one end of an AC voltage part, along with a first switch in series. Additionally, a second inductor part is connected to the other end of the AC voltage part, with a second switch in series. The control circuit applies a switch on/off signal to both the first and second switches, while selectively controlling additional switches based on the input voltage magnitude.
Another notable patent is for a power supply device and electronic device that comprises a power supply apparatus. This apparatus includes a first converter for generating driving power and a second converter for producing first and second standby voltages. The main body of the electronic device operates based on the driving power and the second standby power received from the power supply apparatus. The second converter adjusts the first standby power during normal and standby mode operations, ensuring efficient power management.
Career Highlights
Duhee Jang has worked with leading organizations, including Samsung Electronics and Kookmin University. His experience in these esteemed institutions has allowed him to develop and refine his innovative ideas in electronic technology.
Collaborations
Throughout his career, Duhee has collaborated with notable colleagues such as Jeongil Kang and Sanghoon Lee. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Duhee Jang is a distinguished inventor whose work in electronic apparatus technology has led to several impactful patents. His contributions continue to shape the future of electronic devices, showcasing his commitment to innovation and excellence.