Company Filing History:
Years Active: 2021
Title: Innovator Spotlight: Jeewook Chang and His Power Supply Device
Introduction: Jeewook Chang, an influential inventor based in Osaka, Japan, has made significant strides in the field of power supply technology. With a total of one patent to his name, Chang's innovative approach addresses critical challenges faced in electrical engineering. His work exemplifies the intersection of creativity and technical expertise, providing solutions that enhance the functionality of power supply devices.
Latest Patents: Jeewook Chang's patent, titled "Power Supply Device," features a sophisticated spike absorption circuit designed to mitigate avalanche breakage in current shutdown switches, particularly during load current cut-off. The invention includes a series circuit comprising a protection switch, which utilizes a semiconductor element, and a diode. Furthermore, it incorporates a small-signal switch that efficiently controls the protection switch's on and off states, as well as a delay circuit that maintains the small-signal switch in an ON state for a specified setup time following a current shutdown. This innovation effectively dampens kickback voltage and improves overall device reliability.
Career Highlights: Jeewook Chang has established a commendable career at Sanyo Electric Co., Ltd., where he continues to contribute to advancements in power supply technology. His dedication to research and development has positioned him as a notable figure within the company and the broader engineering community.
Collaborations: Throughout his career, Jeewook has worked alongside esteemed colleagues such as Motoji Takeuchi and Yusuke Omote. Their collaborative efforts have fostered an environment of innovation at Sanyo Electric Co., Ltd., leading to the development of cutting-edge technologies that address modern challenges in electrical systems.
Conclusion: Jeewook Chang's contributions to the field of power supply devices highlight his role as a pioneering inventor. Through his patent on the power supply device, he has demonstrated an impressive ability to solve complex engineering problems. His work, along with the support of his colleagues, continues to influence advancements in power supply technology, paving the way for future innovations.