This inventor holds 22 USPTO granted patents and 2 published patent applications. Top assignees: Samsung Electronics Co., Ltd., Other. Active years: 2004-2015.
Location History:
- Suwon, KR (2006)
- Yeongtong-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR (2008)
- Gyeonggi-do, KR (2004 - 2009)
- Suwon-si, KR (2009 - 2015)
Company Filing History:
21 out of 132,108 
1 out of 834,411 Years Active: 2004-2015
Title: Innovations of Jong-hwa Cho: A Leader in High-Voltage Power Supply Technology
Introduction
Jong-hwa Cho, based in Suwon-si, South Korea, is a prolific inventor known for his significant contributions to the field of high-voltage power supply technology. With an impressive portfolio that includes 22 patents, Cho has been at the forefront of developing solutions that enhance the efficiency and effectiveness of image forming apparatuses.
Latest Patents
Among his latest innovations is a patented high-voltage power supply that outputs both plus and minus high-voltage, designed specifically for use in image forming apparatuses. This invention features a plus high-voltage output unit that utilizes Pulse Width Modulation (PWM) signals, a minus high-voltage operation control unit that charges a specific voltage while maintaining plus high-voltage output, and a minus high-voltage blocking unit that prevents output during plus high-voltage operation.
Additionally, he holds a patent for a constant current-type high-voltage power supply apparatus, which includes a leakage current detection system and a direct current voltage output unit. This innovation adapts to different leakage current conditions, effectively controlling power supply and contributing to increased safety and functionality in high-voltage applications.
Career Highlights
Jong-hwa Cho has had a distinguished career, including significant tenures at Samsung Electronics Co., Ltd., where he honed his skills and developed many of his groundbreaking technologies. His work in this renowned company has not only propelled innovation but has also set new standards within the industry.
Collaborations
Throughout his career, Cho has collaborated with notable colleagues, including Chul-woo Oh and Joong-Gi Kwon. These partnerships have facilitated the sharing of ideas and advancements in technology, contributing to the successful development of various patented inventions.
Conclusion
Jong-hwa Cho represents a beacon of innovation in the field of high-voltage power supply technology. His latest patents demonstrate a commitment to advancing technology that improves the functionality of image forming apparatuses, showcasing his invaluable contributions to the industry. As he continues to push the boundaries of what is possible, Cho remains an inspiring figure for aspiring inventors and engineers alike.