Hong Kong, China

Juan Cheng

This inventor holds 5 USPTO granted patents and 7 published patent applications and 1 EPO patent. Top assignee: Goldway Technology Limited. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Juan Cheng. Retrieved from https://idiyas.com/inventor/juan-cheng-us3emg7c

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

USPTO Granted Patents = 5 

% Patents Active = 80.0

 

Average Co-Inventor Count = 6.2

ph-index = 1


Company Filing History:


Years Active: 2020-2025

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5 patents (USPTO):Explore Patents

Title: Innovator Juan Cheng: Pioneering Gemstone Analysis

Introduction

Juan Cheng is a distinguished inventor based in Hong Kong, China, recognized for his significant contributions to gemstone analysis. With an impressive portfolio of five patents, Cheng has developed innovative processes that enhance the grading and classification of diamonds, thereby setting new standards in this specialized field.

Latest Patents

Among Cheng's latest advancements is the "Gemstone Colour Grading Process and Grading System." This innovative process involves a meticulous method for assigning a color grade to diamonds. The procedure entails determining the N3 and C-center content of the diamond and comparing these findings with a previously acquired dataset of diamonds that have received color grading. Through this correlation, a precise color grade is assigned based on established relationships between N3 and C-center content and optical absorbance in the visible light spectrum.

Cheng's second notable patent is the "Process for Determining the Type of a Diamond." This groundbreaking method utilizes optically detected magnetic resonance to measure the spin properties of a diamond of unknown type. By comparing these spin properties with known diamonds, the process enables the accurate classification of diamonds based on their unique physical properties.

Career Highlights

Currently, Juan Cheng is employed at Goldway Technology Limited, where he continues to pursue breakthroughs in gemstone technology. His work not only showcases his inventive spirit but also reflects his commitment to enhancing the industry standards for diamond grading and classification.

Collaborations

Cheng collaborates with talented colleagues, including Ka Wing Cheng and Koon Chung Hui. Together, they form a dynamic team that leverages their diverse expertise to advance the technological landscape of gemstone analysis.

Conclusion

Juan Cheng stands as a prominent figure in the realm of gemstone innovation. Through his patents, he has demonstrated a profound ability to merge scientific principles with practical applications, significantly impacting the diamond industry. As the field of gemstone analysis continues to evolve, Cheng's contributions will surely inspire future innovations and advancements.

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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