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For the Inventor, By the Inventor

Hong Kong, China

David Zhang

This inventor holds 5 USPTO granted patents. Top assignee: The Hong Kong Polytechnic University. Active years: 2012-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Zhang. Retrieved from https://idiyas.com/inventor/david-zhang-5ygpkr8u

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 = 3.7

ph-index = 4

Forward Citations = 43(Granted Patents)


Company Filing History:

goldMedal5 out of 441 
 
The Hong Kong Polytechnic University
 patents

Years Active: 2012-2013

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5 patents (USPTO):Explore Patents
1. 8411913 - Partial fingerprint recognition (2013-04-02),
2. 8355543 - Method and system for identifying a person based on their tongue (2013-01-15),
3. 8265347 - Method and system for personal identification using 3D palmprint imaging (2012-09-11),
4. 8229178 - Method and apparatus for personal identification using palmprint and palm vein (2012-07-24),
5. 8208692 - Method and system for identifying a person using their finger-joint print (2012-06-26),

Title: David Zhang: Innovator in Biometric Identification

Introduction

David Zhang is a prominent inventor based in Hong Kong, CN. He has made significant contributions to the field of biometric identification, holding a total of 5 patents. His innovative methods focus on enhancing the accuracy and efficiency of personal identification through unique biological features.

Latest Patents

Among his latest patents, one notable invention is a method for partial fingerprint recognition. This method involves extracting features such as ridge orientations, valley images, minutiae, and pores from at least two fingerprint fragments. The process includes aligning the fingerprint fragments, matching the pores and minutiae after applying an estimated alignment transformation, and calculating a final matching score based on both pore and minutiae matching scores. This innovative approach allows for the identification of individuals based on the results of the final matching score.

Another significant patent is a method and system for identifying a person based on their tongue. This method compares an image of a person's tongue to recorded details of tongues stored in a database. If a match is found, the individual is successfully identified, showcasing the versatility of biometric identification methods.

Career Highlights

David Zhang is affiliated with The Hong Kong Polytechnic University, where he continues to advance research in biometric technologies. His work has garnered attention for its practical applications in security and personal identification.

Collaborations

David has collaborated with notable colleagues, including Nan Luo and Guangming Lu, contributing to the development of innovative solutions in the field of biometric identification.

Conclusion

David Zhang's contributions to biometric identification through his patents reflect his commitment to innovation and technology. His work not only enhances security measures but also paves the way for future advancements in personal identification methods.

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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