Location History:
- Suwon-si, KR (2013 - 2022)
- Seoul, KR (2017 - 2024)
Company Filing History:
4 out of 49,743 
3 out of 131,744 
2 out of 7,651 
Years Active: 2013-2025
Title: Inventor Profile: Sangil Lee from Suwon-si, KR
Introduction
Sangil Lee, an inventive mind based in Suwon-si, South Korea, has made significant contributions to the field of refrigeration technology. With a remarkable portfolio of 10 patents, he continues to push the boundaries of innovation in this essential household appliance.
Latest Patents
Among his latest inventions, Sangil Lee has developed a patent for a "Refrigerator with refrigerant recovery control." This innovative method controls a refrigerator's compressor, which utilizes refrigerant as lubricant for its piston. The technique determines the endpoint of a refrigerant recovery operation based on the compressor's driving input value, effectively reducing piston abrasion and lowering power consumption. Another significant patent, titled "Refrigerator and control method thereof," specifies a refrigerator design that includes a storage unit with a compressor and evaporator for maintaining low temperatures for food, as well as an ice-making compartment. This invention optimizes air circulation with a fan, allowing the fan's rotation speed to vary while operating, enhancing the efficiency of ice production.
Career Highlights
Sangil Lee's career includes positions at notable companies in the electronics and appliance industry. His experience at LG Electronics Inc. and Samsung Electronics Co., Ltd. has provided him with a solid foundation in the development of advanced refrigeration technologies and consumer electronics.
Collaborations
Sangil has collaborated with brilliant colleagues such as Buhwan Ahn and Jinseok Hu, allowing for the exchange of ideas and fostering a collaborative environment that promotes creativity and technological advancements in their projects.
Conclusion
In summary, Sangil Lee stands out as a prolific inventor with a focus on enhancing refrigeration systems. His innovative patents showcase his commitment to improving energy efficiency and functionality in everyday appliances, making a notable impact in the industry. His ongoing contributions are anticipated to influence future developments in refrigeration technology significantly.