Location History:
- Seoul, KR (2023)
- Gyeonggi-do, KR (2024)
- Seongnam-si, KR (2024)
Company Filing History:
3 out of 1,557 
2 out of 18,523 
2 out of 4,013 
Years Active: 2023-2024
Title: Hyeon Gyu Choi: Innovator in Motor Driving Technology
Introduction
Hyeon Gyu Choi is a prominent inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of motor driving technology, holding three patents that showcase his innovative approach to engineering.
Latest Patents
One of his latest patents is titled "Single motor with dual inverters using voltage vector." This invention involves a motor driving apparatus that drives a motor with multiple windings corresponding to various phases. The apparatus includes a first inverter with several switching elements connected to the first end of each winding, and a second inverter connected to the second end. A controller is designed to obtain a vector corresponding to the motor's voltage command by combining switching vectors, ensuring that the common mode voltage of both inverters remains zero. This controller manages the switching elements using a pulse width modulation method based on the obtained vector.
Another notable patent is the "Motor driving device and method." This device drives a motor with multiple windings and includes a first inverter with several switching elements connected to the first stages of the windings, and a second inverter connected to the second stages. The controller is configured to fix the switching states of the second switching elements while switching the first elements to compose target voltage vectors, particularly when the motor operates in an open-end winding type.
Career Highlights
Hyeon Gyu Choi has worked with esteemed organizations such as Seoul National University and Hyundai Motor Company. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking advancements in motor technology.
Collaborations
He has collaborated with notable coworkers, including Kang Ho Jeong and Sang Cheol Shin, further enhancing the innovative projects he has been involved in.
Conclusion
Hyeon Gyu Choi's work in motor driving technology exemplifies his commitment to innovation and engineering excellence. His patents reflect a deep understanding of complex systems and a drive to improve motor efficiency and functionality.
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.