Location History:
- Gyeonggi-do, KR (2020 - 2021)
- Hwaseong-si, KR (2019 - 2022)
Company Filing History:
12 out of 18,523 
11 out of 8,087 
Years Active: 2019-2022
Title: Innovations of Sihun Yang in Electric Vehicle Technology
Introduction
Sihun Yang is a prominent inventor based in Hwaseong-si, South Korea. He has made significant contributions to the field of electric vehicle technology, holding a total of 12 patents. His work focuses on enhancing the efficiency and functionality of battery charging systems for electric vehicles.
Latest Patents
One of Sihun Yang's latest patents is a battery charger for electric vehicles. This innovative charger includes a motor designed to generate power for driving the electric vehicle, along with an inverter that provides power to the motor. It features an AC power input terminal that can accept both single-phase and polyphase AC power from a slow charger. The design incorporates a power factor corrector with multiple full bridge circuits, a link capacitor, and a switch network that connects various AC power input lines. Additionally, it includes a controller that manages the power factor corrector and switch network based on the conditions of the AC and DC power.
Another notable patent is an apparatus and method for charging a vehicle's battery. This system consists of a PFC circuit that rectifies AC power to DC power, a bidirectional DC-DC converter, and a controller that regulates the charging process. The controller ensures that the link capacitor is charged by electrical power from the battery when its voltage falls below a predetermined level, prior to entering the battery charging mode.
Career Highlights
Sihun Yang has worked with leading automotive companies, including Hyundai Motor Company and Kia Motors Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in electric vehicle technology.
Collaborations
Throughout his career, Sihun Yang has collaborated with talented individuals such as Woo Young Lee and Jin Myeong Yang. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Sihun Yang's contributions to electric vehicle technology through his innovative patents demonstrate his expertise and commitment to advancing the industry. His work continues to influence the future of electric vehicle charging systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.