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For the Inventor, By the Inventor

Seoul, South Korea

Chang-Sik Yoo

This inventor holds 27 USPTO granted patents and 10 published patent applications and 1 EPO patent, primarily in Integrated Circuit Design. Top assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Hanyang University, Hynix Semiconductor Inc.. Active years: 2004-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang-Sik Yoo. Retrieved from https://idiyas.com/inventor/chang-sik-yoo

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

USPTO Granted Patents = 27 

% Patents Active = 85.2


Average Co-Inventor Count = 2.0

ph-index = 9

Forward Citations = 239(Granted Patents)


Location History:

  • Kyunggi-do, KR (2004)
  • Ichon-shi, KR (2007)
  • Seoul-Si, KR (2008 - 2009)
  • Kyoungki-do, KR (2010)
  • Bucheon-si, KR (2008 - 2012)
  • Seoul, KR (2004 - 2022)

Company Filing History:

goldMedal16 out of 132,108 
 
Samsung Electronics Co., Ltd.
 patents
silverMedal7 out of 1,237 
 
Industry-University Cooperation Foundation Hanyang University
 patents
bronzeMedal2 out of 6,228 
 
Hynix Semiconductor Inc.
 patents
4. 2 out of 11,659 
 
Skhynix Inc.
 patents
5. 1 out of 50 
 
Core Logic Inc.
 patents
6. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 2004-2022

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Areas of Expertise:
Integrated Circuit
Memory Devices
Phase Detector
Signal Transmission
Synchronous Semiconductor
Data Recovery
Dual Mode Receiver
Clock Data Recovery
Data Strobe Signal
Open-Loop Correction
Voltage Controlled Oscillator
27 patents (USPTO):Explore Patents
1. 11262908 - Method of adjusting an UI and user terminal using the same (2022-03-01),
2. 10656895 - System for linking and controlling terminals and user terminal used in the same (2020-05-19),
3. 10331332 - Method of adjusting an UI and user terminal using the same (2019-06-25),
4. 9703470 - Method of adjusting an UI and user terminal using the same (2017-07-11),
5. 9337849 - Phase detector, phase-frequency detector, and digital phase locked loop (2016-05-10),
6. 8941411 - Signal transmission circuit (2015-01-27),
7. 8913026 - System for linking and controlling terminals and user terminal used in the same (2014-12-16),
8. 8910079 - Method of adjusting an UI and user terminal using the same (2014-12-09),
9. 8184048 - Dual mode satellite signal receiver and method thereof (2012-05-22),
10. 7894260 - Synchronous semiconductor memory device having on-die termination circuit and on-die termination method (2011-02-22),
11. 7826583 - Clock data recovery apparatus (2010-11-02),
12. 7804720 - Integrated circuit memory devices including mode registers set using a data input/output bus (2010-09-28),
13. 7636273 - Integrated circuit memory devices that support selective mode register set commands (2009-12-22),
14. 7616937 - Subharmonic mixer capable of reducing noise and enhancing gain and linearlty (2009-11-10),
15. 7558127 - Data output circuit and method in DDR synchronous semiconductor device (2009-07-07),

Title: Chang-Sik Yoo: Innovator in User Interface Technology

Introduction

Chang-Sik Yoo is a prominent inventor based in Seoul, South Korea, known for his significant contributions to the field of user interface technology. With a remarkable portfolio of 27 patents, Yoo has made strides in enhancing user experiences across various digital platforms.

Latest Patents

Among his latest patents are groundbreaking methods that focus on the adjustment of user interfaces (UIs) and the control of user terminals. One of his notable inventions is the "Method of adjusting a UI and user terminal using the same," which reveals a technique for modifying the size, position, or arrangement of a UI based on user input. This innovation enhances interactions by allowing users to customize their displays according to personal preferences.

Another significant patent, titled "System for linking and controlling terminals and user terminal used in the same," introduces a method for linking and managing user terminals. This system allows an image unit to output data for shared images, with a signal unit transmitting touch input position information to receiving terminals. This creates a seamless experience for users wishing to share and interact with content across devices.

Career Highlights

Throughout his career, Chang-Sik Yoo has been associated with notable organizations such as Samsung Electronics Co., Ltd., where he honed his skills in innovative technology development. His work has consistently aimed at improving user interaction, establishing him as a key player in his field.

Collaborations

Yoo has collaborated with several distinguished professionals, including Kee-hoon Lee and Kye-hyun Kyung. These partnerships have helped foster a collaborative environment for innovation, combining their expertise to push the boundaries of technology further.

Conclusion

Chang-Sik Yoo's dedication to advancing user interface technology reflects his commitment to enhancing the way individuals interact with devices. With his impressive track record of patents and collaborations, he continues to shape the future of user experience in technology.

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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