Daejeon, South Korea

Kwang-Ryong Oh

This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignees: Electronics and Telecommunications Research Institute, Korea Telecommunication Authority. Active years: 1993-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kwang-Ryong Oh. Retrieved from https://idiyas.com/inventor/kwang-ryong-oh-mlvzy566

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 55.6

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 43(Granted Patents)


Location History:

  • Taejon, KR (2003)
  • Daejon, KR (2005 - 2006)
  • Daejeon, KR (1993 - 2013)

Company Filing History:


Years Active: 1993-2013

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9 patents (USPTO):Explore Patents

Title: Kwang-Ryong Oh: Innovator in Semiconductor Technology

Introduction

Kwang-Ryong Oh is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 9 patents. His work focuses on developing advanced optical devices that enhance communication technologies.

Latest Patents

Among his latest innovations are the reflective semiconductor optical amplifier (R-SOA) and the superluminescent diode (SLD). The R-SOA features a substrate and an optical waveguide that includes a lower clad layer, an active layer independent of the polarization of light, and an upper clad layer. This optical waveguide comprises linear, curved, and tapered waveguide areas. Additionally, a current blocking layer is formed around the optical waveguide to prevent current flow out of the active layer. The linear and curved waveguide areas utilize a single buried hetero (BH) structure, while the tapered waveguide area employs a dual BH structure.

Career Highlights

Kwang-Ryong Oh has worked with notable organizations such as the Electronics and Telecommunications Research Institute and the Korea Telecommunication Authority. His experience in these institutions has allowed him to refine his expertise in semiconductor technologies and optical devices.

Collaborations

He has collaborated with several professionals in his field, including Su Hwan Oh and Sahnggi Park. These collaborations have contributed to the advancement of his research and innovations.

Conclusion

Kwang-Ryong Oh's contributions to semiconductor technology and his innovative patents highlight his role as a leading inventor in the field. His work continues to influence advancements in optical communication technologies.

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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