Seoul, South Korea

Chang Min Choi

This inventor holds 23 USPTO granted patents and 3 published patent applications and 3 EPO patents, primarily in Air Conditioning Systems. Top assignee: Lg Electronics Inc.. Active years: 2004-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Min Choi. Retrieved from https://idiyas.com/inventor/chang-min-choi

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

USPTO Granted Patents = 23 

% Patents Active = 52.2

 

Average Co-Inventor Count = 4.7

ph-index = 6

Forward Citations = 127(Granted Patents)


Location History:

  • Koyang-si, KR (2004)
  • Seoul-si, KR (2004 - 2009)
  • Seoul, KR (2004 - 2015)

Company Filing History:


Years Active: 2004-2015

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Areas of Expertise:
Refrigerant Charge
Air Conditioning
Cogeneration System
Compressor Control
Cooling Cycle
Heat Pump
Dehumidifier
Defrosting Apparatus
Electricity Generation
Matrix Control
Expansion Valve
Overload Prevention
23 patents (USPTO):Explore Patents

Title: Chang Min Choi: Innovating Air Conditioning Technologies

Introduction

Chang Min Choi is a prominent inventor based in Seoul, South Korea, with an impressive portfolio of 23 patents to his name. His contributions primarily focus on enhancing air conditioning systems, particularly in the field of refrigerant management, demonstrating a commitment to innovation and user convenience.

Latest Patents

Among Chang Min Choi's notable inventions are two recent patents concerning air conditioning and refrigerant systems. The first patent is a "Method for determining if refrigerant charge is sufficient and charging refrigerant." This invention enhances user experience by automatically determining whether the refrigerant amount in the air conditioner is adequate. If a shortage is detected, the system allows for the replenishment of refrigerant without the need for complete removal, thus saving time and costs.

The second patent, titled "Air conditioning apparatus and method for determining the amount of refrigerant of air-conditioning apparatus," offers a similar innovation. This method enables users to easily verify whether the refrigerant level in their air conditioning system is excessive or insufficient, further increasing the convenience and efficiency of air conditioning maintenance.

Career Highlights

Chang Min Choi currently works at LG Electronics Inc., a leading global technology company, where he continues to innovate within the air conditioning sector. His extensive experience and technical expertise have significantly contributed to the development of advanced air conditioning technologies.

Collaborations

Throughout his career, Chang Min Choi has collaborated closely with skilled coworkers, including Yoon Jei Hwang and Cheol Min Kim. These collaborations have fostered a dynamic environment for innovative thinking, leading to the advancement of cutting-edge air conditioning solutions.

Conclusion

With a total of 23 patents and ongoing contributions to air conditioning technology, Chang Min Choi exemplifies the spirit of innovation within the field. His work not only enhances user experience but also sets a benchmark for future developments in refrigerant management and air conditioning systems.

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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