Seongnam, South Korea

Chang Kyu Choi

This inventor holds 155 USPTO granted patents and 20 published patent applications and 28 EPO patents, primarily in Neural Network Processing (CPC class G06N3-08). Top assignees: Samsung Electronics Co., Ltd., Skhynix Inc., Samsung Electronics Ltd.. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Kyu Choi. Retrieved from https://idiyas.com/inventor/chang-kyu-choi

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

USPTO Granted Patents = 155 

% Patents Active = 99.4

 

Average Co-Inventor Count = 4.3

ph-index = 6

Forward Citations = 266(Granted Patents)

Forward Citations (Not Self Cited) = 232(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Icehon-si, KR (2014)
  • Bundang-gu, KR (2016)
  • Sungnam-si, KR (2016)
  • Seongnam, KR (2016)
  • Yongin-si, KR (2017)
  • Seoul, KR (2001 - 2018)
  • Icheon-si, KR (2015 - 2022)
  • Seongnam-si, KR (2014 - 2024)

Company Filing History:


Years Active: 2001-2026

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Areas of Expertise:
Convolutional Neural Network
Face Verification
Image Fusion
Liveness Test
User Authentication
Biometric Verifiers
Depth Estimation
Feature Data Acquisition
Neural Network Parameter Quantization
Target Tracking
Gaze Estimation
Object Recognition
155 patents (USPTO):Explore Patents

Title: Chang Kyu Choi: Innovating in Biometrics and Authentication

Introduction:

Chang Kyu Choi, hailing from Seongnam-si, South Korea, has made significant contributions to the field of biometrics and authentication. With a remarkable number of 134 patents to his name, Choi has consistently displayed his expertise in developing groundbreaking methods and apparatuses. This article delves into his latest patents, highlights his career achievements, explores his collaborations, and celebrates his pioneering work in the realm of personal security.

Latest Patents:

One of Chang Kyu Choi's latest patents is a "Face Verification Method and Apparatus." This invention focuses on an advanced technique that involves analyzing a current frame of a verification image and comparing it to a registered feature to authenticate the user. This patent showcases Choi's ability to design efficient and accurate biometric verification systems.

Additionally, Choi's "Method and Apparatus of Performing Authentication" patent expands his innovative scope by introducing a processor-driven method for performing authentication. This novel invention offers a flexible authentication process by utilizing different conditions and modalities, ensuring robust security measures tailored to user preferences.

Career Highlights:

Throughout his career, Chang Kyu Choi has worked with prestigious organizations such as Samsung Electronics Co., Ltd. and SK Hynix Inc. His affiliation with these companies highlights his expertise in biometrics and strengthens his contributions to the field. Choi's patents not only protect his intellectual property but also solidify his reputation as a prominent figure in the industry.

Collaborations:

Collaboration has always been a significant part of Choi's career, allowing him to broaden his perspectives and leverage the expertise of others. Notable collaborators include Jaejoon Han and Byung In Yoo, whose combined efforts have furthered advancements in biometric authentication methods. Together, they have created a network of professionals working towards enhancing personal security measures.

Conclusion:

Chang Kyu Choi's impressive collection of 134 patents and his diligent work in the field of biometrics and authentication have firmly established his position as an innovator. His latest patents, including the face verification method and the processor-driven authentication apparatus, exemplify his ability to develop cutting-edge solutions to safeguard personal information. Collaborating with prominent companies and like-minded colleagues further solidifies Choi's influence within the field. His groundbreaking contributions continue to shape the landscape of biometrics, making him an inspiration for aspiring inventors and researchers alike.

Please note that the information provided in this article is based on the data available on idiyas.com and may be subject to change or updates.

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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