This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignees: Hyundai Motor Company, Kia Motors Corporation. Active years: 2017-2020.
Location History:
- Uijeongbu-si, KR (2017)
- Gyeonggi-do, KR (2017 - 2018)
- Hwaseong-si, KR (2020)
Company Filing History:
4 out of 20,176 
1 out of 8,093 
Years Active: 2017-2020
Title: Chang Han Jun: Innovator in Current Sensing and Power Factor Improvement
Introduction
Chang Han Jun is a notable inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the fields of current sensing and power factor improvement, holding a total of 4 patents. His innovative designs have the potential to enhance the efficiency of electrical systems.
Latest Patents
Chang Han Jun's latest patents include a current sensor that features a shunt resistor positioned between two bus bars. This design allows for a fastener to be coupled through the bus bars and the shunt resistor, with aligned through-holes facilitating the passage of the fastener. Another significant patent is a power factor improving circuit and charger for vehicles. This invention incorporates non-electrolytic capacitors and inductors to reduce ripple currents, thereby enhancing the performance of DC-DC converters.
Career Highlights
Throughout his career, Chang has worked with prominent companies such as Hyundai Motor Company and Kia Motors Corporation. His experience in these leading automotive firms has allowed him to apply his innovative ideas in practical applications, contributing to advancements in vehicle technology.
Collaborations
Chang has collaborated with talented individuals in his field, including Ho Tae Chun and Seung Hyun Han. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Chang Han Jun is a distinguished inventor whose work in current sensing and power factor improvement has made a significant impact in the industry. His patents reflect a commitment to innovation and efficiency in electrical systems.