Seoul, South Korea

Ki Hyun Choo

This inventor holds 21 USPTO granted patents and 3 published patent applications, plus 2 CIPO patents and 3 EPO patents, primarily in Audio Signal Processing. Top assignee: Samsung Electronics Co., Ltd.. Active years: 2011-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ki Hyun Choo. Retrieved from https://idiyas.com/inventor/ki-hyun-choo-9bcgp993

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

USPTO Granted Patents = 21 

% Patents Active = 76.2


 

Average Co-Inventor Count = 3.5

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Yongin-si, KR (2013 - 2016)
  • Seoul, KR (2011 - 2020)

Company Filing History:


Years Active: 2011-2020

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Areas of Expertise:
Speech Signal Encoding
High Frequency Bandwidth Extension
Multichannel Signal Decoding
Adaptive Encoding Mode
Lossless Coding
Context-Based Arithmetic Encoding
Audio Signal Compression
Phase Information Encoding
21 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Ki Hyun Choo**

Introduction

Ki Hyun Choo is a notable inventor and contributor to the field of technology, based in Seoul, South Korea. With an impressive portfolio of 21 patents, he has made significant advancements, particularly in the areas of speech signal processing and signal encoding techniques.

Latest Patents

Ki Hyun Choo’s latest contributions include innovative methods and apparatuses for encoding and decoding speech signals. One of his patents, titled "Method and apparatus for encoding/decoding speech signal using coding mode," provides a system that selects an encoding mode for frames within an input speech signal. This invention specifically addresses the encoding of frames in an unvoiced mode for unvoiced speech, enhancing the efficiency of speech processing.

Another significant patent authored by Choo is "Apparatus and method for encoding and decoding signal for high frequency bandwidth extension." This patent outlines a method that involves down-sampling a time domain input signal, core-encoding it, and then transforming it into a frequency domain input signal. This technical advancement allows for improved bandwidth extension encoding using a basic signal of the frequency domain input, showcasing his innovative approach to signal processing.

Career Highlights

Ki Hyun Choo is currently affiliated with Samsung Electronics Co., Ltd., a global leader in technology and innovation. During his career, he has been instrumental in developing cutting-edge solutions that address complex problems in signal processing and communication technologies. His work continues to push the boundaries of what is possible in the field.

Collaborations

Throughout his career, Ki Hyun Choo has collaborated with distinguished colleagues, including Eun Mi Oh and Ho Sang Sung. These partnerships have been pivotal in fostering an environment of innovation and creativity, allowing for the development of transformative technologies.

Conclusion

Ki Hyun Choo stands out as a prominent inventor within the tech industry, particularly known for his advancements in speech signal processing and encoding methods. With a substantial number of patents to his name, his work at Samsung Electronics Co., Ltd. reflects his commitment to innovation and excellence in technology. As he continues to explore new frontiers, his contributions are likely to leave a lasting impact on the industry.

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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