Changwon-si, South Korea

Chul Gi Roh


Average Co-Inventor Count = 5.8

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Kyongsangnam-do, KR (2004 - 2007)
  • Changwon-si, KR (2005 - 2011)

Company Filing History:


Years Active: 2004-2011

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9 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Chul Gi Roh from Changwon-si, South Korea

Introduction: Chul Gi Roh, an esteemed inventor based in Changwon-si, South Korea, has made significant contributions to the field of compressor technology, holding a total of nine patents. His innovative work focuses primarily on enhancing the efficiency and performance of rotary compressors, which are critical components in refrigeration and air conditioning systems.

Latest Patents: One of his latest inventions is a revolutionary rotary compressor designed to change its compression capacity based on the rotational direction of the driving shaft. This design features an eccentric driving shaft, a roller that moves along the inner circumference of the cylinder, and a vane that consistently contacts the roller for effective compression. Additionally, a disc-shaped valve with suction and discharge ports selectively manages the flow of refrigerant, thereby optimizing the compression process. Another notable patent describes a compressor that integrates a supplementary torque providing part, which reduces the piston compression speed of refrigerant while enhancing the drawing speed. This advancement not only reduces the compression rate but also maximizes suction efficiency, making it a significant improvement in compressor technology.

Career Highlights: Chul Gi Roh is currently associated with LG Electronics Inc., a leading global innovator in electronics and technology. His career at this esteemed company showcases his dedication to advancing refrigeration technologies. With nine patents to his name, he continues to push the boundaries of what is possible in compressor design and functionality.

Collaborations: Throughout his career, Chul Gi Roh has collaborated with notable colleagues such as Kyoung Jun Park and Ji Young Bae. Their combined expertise and teamwork contribute to the successful development of innovative technologies at LG Electronics Inc.

Conclusion: Chul Gi Roh stands out as a notable figure in the field of inventions related to compressor technology. His contributions not only enhance the efficiency of refrigeration systems but also demonstrate the power of innovation in improving everyday technology. As he continues to develop new inventions, the impact of his work will likely resonate throughout the industry for years to come.

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