Damascus, MD, United States of America

Yongzhang Leng

This inventor holds 6 USPTO granted patents and 3 published patent applications. Top assignees: Fusion Lighting, Inc., Lightrail Networks, Inc., Seneca Networks, Inc.. Active years: 2000-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yongzhang Leng. Retrieved from https://idiyas.com/inventor/yongzhang-leng

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

USPTO Granted Patents = 6 

% Patents Active = 83.3

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 186(Granted Patents)


Company Filing History:


Years Active: 2000-2003

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6 patents (USPTO):Explore Patents

Title: Innovations of Yongzhang Leng

Introduction

Yongzhang Leng is a notable inventor based in Damascus, MD (US), recognized for his contributions to optical communication systems and electrodeless lamp technology. With a total of six patents to his name, Leng has made significant advancements in the field of telecommunications and lighting.

Latest Patents

One of his latest patents is the "Bidirectional WDM Optical Communication System with Bidirectional Optical Service Channels." This invention provides a bidirectional wavelength division multiplexed optical communication system that includes a bidirectional optical waveguide. The system is designed to carry a bidirectional optical communication signal comprising counterpropagating WDM optical signals, which include multiple optical channels and an optical service channel. This technology is particularly advantageous for metropolitan networks that require high volumes of add-drop multiplexing.

Another significant patent is the "Non-Rotating Electrodeless Lamp Containing Molecular Fill." This electrodeless lamp features a stationary bulb containing a fill that produces a discharge. The fill includes a primary radiating material that typically requires bulb rotation for stability. However, with the addition of an alkali metal, such as cesium bromide, the discharge can be stabilized without the need for rotation. The fill is excited by a non-stationary electric field, enhancing the lamp's efficiency.

Career Highlights

Yongzhang Leng has worked with several companies throughout his career, including Fusion Lighting, Inc. and Seneca Networks, Inc. His work in these organizations has contributed to the development of innovative technologies in lighting and telecommunications.

Collaborations

Leng has collaborated with notable individuals in his field, including Brian P. Turner and James T. Dolan. These collaborations have likely fostered the exchange of ideas and advancements in their respective areas of expertise.

Conclusion

Yongzhang Leng's contributions to the fields of optical communication and lighting technology demonstrate his innovative spirit and commitment to advancing these industries. His patents reflect a deep understanding of complex systems and a drive to improve existing 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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