This inventor holds 1 USPTO granted patent. Top assignees: Hyundai Motor Company, 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:
1 out of 20,399 
1 out of 5,883 
Years Active: 2026
Title: Si Yoong Kim: Vehicle Noise-Control Inventor.
Introduction
Si Yoong Kim is an inventor associated with Hwaseong, South Korea. His work includes a patented method and control device designed to reduce vehicle noise after the engine is turned off. He has been associated with Hyundai Motor Company and Kia Corporation.
Latest Patents
The provided information lists one patent for Kim: “Method for Improving Vehicle Noise and Its Control Device.” The invention addresses noise generated by a centrifugal pendulum absorber (CPA) after a vehicle shuts down. It collects real-time driving information, checks whether the vehicle is idle, and determines whether the transmission is in Park or the brake is operating. When the engine-off signal is received under the specified conditions, the system reduces rotation of the CPA-mounted turbine in the torque converter through transmission clutch and/or brake operations. Kim is credited with 1 patent.
Career Highlights
Kim’s listed company affiliations are Hyundai Motor Company and Kia Corporation. The patent reflects work on vehicle powertrain control and noise reduction.
Collaborations
The available information identifies Hyundai Motor Company and Kia Corporation as companies associated with Kim, but does not specify particular collaborators or the nature of those affiliations.
Conclusion
Si Yoong Kim’s listed invention focuses on reducing post-shutdown vehicle noise through coordinated control of transmission components and a centrifugal pendulum absorber.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile