Seoul, South Korea

Chul Sik Yoon

This inventor holds 80 USPTO granted patents and 37 published patent applications and 3 EPO patents, primarily in Multicast Communication (CPC class H04W4-06). Top assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd., Chosun University. Active years: 2012-2020.

USPTO Granted Patents = 80 

% Patents Active = 75.0

 

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 92(Granted Patents)

Forward Citations (Not Self Cited) = 87(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Seoul, KR (2012 - 2018)
  • Daejeon, KR (2013 - 2020)

Company Filing History:


Years Active: 2012-2020

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Areas of Expertise:
Multicast Management
Broadcast Service
Carrier Management
Direct Communication
Synchronization Channel
Handover Method
Mobile Communication
Resource Allocation
Femtocell Base Station
Emergency Reporting
Interference Reduction
80 patents (USPTO):Explore Patents

Title: Chul Sik Yoon: A Pioneer in Telecommunications Innovation

Introduction: Chul Sik Yoon is an esteemed inventor based in Seoul, South Korea, recognized for his significant contributions to the field of telecommunications. With an impressive portfolio of 80 patents, Yoon has established himself as a key figure in the advancement of communication technologies.

Latest Patents: Among his latest innovations, Yoon has developed a method and apparatus for transmitting physical uplink control channels. This technology enhances the efficiency of uplink control channels by using a combination of uplink control information, sequences, and demodulation reference signals through short resource blocks. Additionally, he has created a device and method for managing carrier communications that allow multi-carrier supporting terminals to efficiently manage their primary carriers. This includes receiving commands from base stations to switch between different primary carriers seamlessly.

Career Highlights: Yoon's career has seen significant development while working at prominent organizations such as the Electronics and Telecommunications Research Institute (ETRI) and Samsung Electronics Co., Ltd. His technical expertise and innovative mindset have played crucial roles in the evolution of telecommunications systems, streamlining processes, and enhancing communication capabilities.

Collaborations: Throughout his career, Chul Sik Yoon has collaborated with accomplished colleagues, including Sung Cheol Chang and Hyun Jun Lee. These collaborations have fostered a productive environment where groundbreaking ideas have flourished and led to numerous advancements in technology.

Conclusion: Chul Sik Yoon is a remarkable inventor whose work continues to shape the telecommunications landscape. His extensive number of patents and continuous innovations highlight his commitment to enhancing communication technology. Yoon's contributions not only benefit the industry but also set a benchmark for future inventors and researchers in the field.

Profile summary based on public USPTO records.
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