Ansan, South Korea

NamGoo Cha

This inventor holds 3 USPTO granted patents and 8 published patent applications. Top assignee: Seoul Viosys Co., Ltd.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: NamGoo Cha. Retrieved from https://idiyas.com/inventor/namgoo-cha-b1illx0t

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

Calculating rank
USPTO Granted Patents = 3 

Average Co-Inventor Count = 3.4

ph-index = 1


Company Filing History:


Years Active: 2026

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3 patents (USPTO):Explore Patents

Title: NamGoo Cha: Inventor in Light-Emitting Technologies.

Introduction

NamGoo Cha is an inventor based in Ansan, South Korea. His patent work includes light-emitting modules and display technologies. He is associated with Seoul Viosys Co., Ltd. Cha is credited with 3 patents.

Latest Patents

Cha’s recent patent work includes “Light Emitting Module and Light Emitting System Including the Same.” The invention describes a system with a movable structure and multiple light-emitting modules arranged across its sections. A user can selectively activate one or more modules so that the system can be recognized from outside.

Another patent is “Unit Pixel Having Light Emitting Device and Displaying Apparatus.” It describes a unit pixel with a transparent substrate, multiple light-emitting devices, and an optical layer that transmits light from the devices. The substrate has a concavo-convex pattern on the surface facing the light-emitting devices.

Career Highlights

Cha’s listed inventions focus on applying light-emitting devices to systems and display pixels. His work reflects an interest in how light is emitted, transmitted, and made visible in different configurations.

Collaborations

Cha is associated with Seoul Viosys Co., Ltd. His listed coworker is Chung Jae Lee.

Conclusion

NamGoo Cha’s patent portfolio highlights contributions to light-emitting systems and display technology, including inventions designed to control and transmit light.

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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