Seoul, South Korea

Myungsik Choi

This inventor holds 38 USPTO granted patents and 9 published patent applications and 2 EPO patents, primarily in Variable Compression Ratio. Top assignees: Hyundai Motor Company, Kia Motors Corporation, Kai Motors Corporation. Active years: 2011-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Myungsik Choi. Retrieved from https://idiyas.com/inventor/myungsik-choi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 38 

% Patents Active = 34.2

 

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 44(Granted Patents)


Location History:

  • Whasung-Si, KR (2016)
  • Seoul, KR (2011 - 2020)

Company Filing History:


Years Active: 2011-2020

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Areas of Expertise:
Variable Compression Ratio
Valve Lift Technologies
Electro-Hydraulic Systems
Internal Combustion Engine
Continuous Variable Valve Lift
Rocker Arm Mechanism
Composite Power Cycle Engine
Variable Valve Device
Control Method
Engine Efficiency
Automotive Engineering
Mechanical Design
38 patents (USPTO):Explore Patents

Title: **Myungsik Choi: Innovator in Variable Compression Ratio Technology**

Introduction

Myungsik Choi, based in Seoul, South Korea, is a distinguished inventor with a remarkable record of 38 patents to his name. His innovative contributions, particularly in the field of automotive technology, showcase his expertise and passion for engineering advancements.

Latest Patents

Among his latest inventions is a variable compression ratio apparatus that features a connecting rod with both small and large ends designed for optimal performance. The small end includes a circular hole for rotatable connection with a piston pin, while the large end connects with an eccentrically arranged crank pin. One of the innovative aspects of this apparatus is an eccentric cam that rotates within the small end’s aperture, allowing precise operation through a hydraulic pressure system. A latching pin adds a further layer of functionality by enabling selective positioning between the small end and the eccentric cam.

Career Highlights

Throughout his career, Myungsik has made significant strides in automotive engineering by holding key positions at Hyundai Motor Company and Kia Motors Corporation. His work in these prominent companies has allowed him to leverage his innovative ideas in real-world applications, contributing to advancements in vehicle performance and efficiency.

Collaborations

During his professional journey, Myungsik has collaborated with notable colleagues, including Won Gyu Kim and Dae Sung Kim. These partnerships have played a crucial role in the development and refinement of his groundbreaking inventions.

Conclusion

Myungsik Choi stands as a testament to the impact of innovation within the automotive industry. His extensive patent portfolio and collaborative spirit illustrate a dedication to pushing the boundaries of engineering, making him a prominent figure in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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