This inventor holds 1 USPTO granted patent. Top assignees: Hyundai Motor Company, Incheon University Industry Academic Cooperation Foundation, Kia Corporation. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2026
Title: Won-Jun Kim: Patent Inventor in Incheon
Introduction
Won-Jun Kim is an inventor based in Incheon, South Korea. His patent work includes a power factor correction circuit switching method designed to reduce leakage current. The available information lists 1 patent associated with him.
Latest Patents
Kim’s patent, “Power Factor Correction Circuit Switching Method for Reducing Leakage Current,” describes a staged approach to increasing an output capacitor’s voltage. A controller first performs an initial charging operation, then increases the voltage further according to whether it reaches a preset reference level. The controller subsequently switches two poles in the power factor correction circuit at different duty ratios, based on whether the voltage reaches a second preset reference level.
Career Highlights
The provided career information associates Kim with Hyundai Motor Company and Kia Corporation. His patent focuses on power factor correction circuit operation and leakage-current reduction.
Collaborations
Kim’s listed coworkers include Ye-Rin Lee and Dae-woo Lee. Their names are provided as professional collaborators, though specific joint projects are not detailed.
Conclusion
Won-Jun Kim’s listed invention addresses power factor correction through staged capacitor charging and controlled switching, reflecting his patent activity in this technical area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile