Hwaseong, South Korea

Nam-goo Cha

This inventor holds 8 USPTO granted patents and 1 published patent application. Top assignee: Samsung Electronics Co., Ltd.. Active years: 2014-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nam-goo Cha. Retrieved from https://idiyas.com/inventor/nam-goo-cha-5jnesg2o

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

Calculating rank
USPTO Granted Patents = 8 

% Patents Active = 87.5

Average Co-Inventor Count = 4.7

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Gyeonggi-do, KR (2014 - 2015)
  • Hwaseong-si, KR (2016 - 2020)

Company Filing History:


Years Active: 2014-2020

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8 patents (USPTO):Explore Patents

Title: Innovator in Light Technology: Nam-goo Cha

Introduction

Nam-goo Cha is a prominent inventor based in Hwaseong-si, South Korea, recognized for his contributions to the field of light-emitting diodes (LEDs). With a notable portfolio of 8 patents, Cha has made significant advancements in LED technology that are used in various applications today.

Latest Patents

Cha’s innovations include cutting-edge patents, among which are a light-emitting diode (LED) package and a related apparatus. The LED package he developed features a complex structure comprising a light-emitting layer, an optical wavelength conversion layer, and an optical filter layer. The design allows the LED to emit light in a highly efficient manner, with improvements in wavelength conversion that enhance the range of emitted light. Another patent from Cha revolves around a light-emitting device that utilizes a substrate with varying area dimensions, which optimizes light emission through its top surface, thus improving the overall performance of the device.

Career Highlights

Cha has dedicated a significant part of his career to Samsung Electronics Co., Ltd., a leading technology company. His work at Samsung has allowed him to collaborate on several groundbreaking projects and refine his inventions in the field of LED technology.

Collaborations

Throughout his career, Cha has collaborated with talented coworkers, including Kyung-wook Hwang and Ha-nul Yoo. Their collective efforts in research and development have contributed to enhancing the features and functionalities of light-emitting devices and displays, further establishing their impact in the industry.

Conclusion

Nam-goo Cha exemplifies the spirit of innovation in the technical realm of LED technology. With his robust portfolio of patents and collaborations within a leading company, he continues to push the boundaries of what is possible in the field. Cha’s work not only highlights his ingenuity but also signifies the ongoing evolution of lighting technology.

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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