Changsoo Koo

This inventor holds 15 USPTO granted patents and 4 published patent applications, plus 2 CIPO patents and 2 EPO patents. Top assignees: Interdigital Patent Holdings, Inc., Interdigital Technology Corporation. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Changsoo Koo. Retrieved from https://idiyas.com/inventor/changsoo-koo

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

USPTO Granted Patents = 15 (Patent Applications = 4)

% Patents Active = 93.3

CIPO Patents = 2

EPO Patents = 2 (Patent Applications = 5)

Average Co-Inventor Count = 5.1

ph-index = 6

Forward Citations = 135(Granted Patents)

Company Filing History:

10 out of 2,197

Interdigital Patent Holdings, Inc.

patents

5 out of 2,107

Interdigital Technology Corporation

patents

Years Active: 2014-2025

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12218877 - Reference signal configuration for extension carriers and carrier segments (2025-02-04),

2. 11595174 - Reference signal configuration for extension carriers and carrier segments (2023-02-28),

3. 10616022 - Reference signal configuration for extension carriers and carrier segments (2020-04-07),

4. 9918240 - Wireless communication using multi-dimensional antenna configuration (2018-03-13),

5. 9900066 - Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems (2018-02-20),

6. 9887808 - Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system (2018-02-06),

7. 9807706 - Power control for devices having multiple antennas (2017-10-31),

8. 9794913 - Systems and/or methods for providing EPDCCH in a multiple carrier based and/or quasi-collated network (2017-10-17),

9. 9608772 - Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system (2017-03-28),

10. 9603099 - Apparatus and method for uplink power control for a wireless transmitter/receiver unit utilizing multiple carriers (2017-03-21),

11. 9509378 - Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems (2016-11-29),

12. 9485060 - Uplink control data transmission (2016-11-01),

13. 9326283 - Reference signal configuration for extension carriers and carrier segments (2016-04-26),

14. 9306702 - Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system (2016-04-05),

15. 8897253 - Flexible bandwidth operation in wireless systems (2014-11-25),

Title: Innovator Changsoo Koo: Pioneering in Reference Signal Configuration

Introduction

Changsoo Koo is an influential inventor based in Melville, NY, whose contributions to the field of telecommunications are evidenced by his impressive portfolio of 15 patents. His work primarily focuses on the configuration of reference signals within advanced communication systems, showcasing his expertise in the development of methods and technologies that enhance data transmission capabilities.

Latest Patents

Among his latest innovations, Changsoo Koo has developed patents centered around reference signal configuration for extension carriers and carrier segments. These patents describe systems that utilize various types of reference signals, including demodulation reference signals, cell-specific signals, and channel-state information reference signals. His methodologies enable the effective positioning of reference signal symbols within extension carriers and segments, significantly improving the performance and reliability of telecommunication systems.

Career Highlights

Changsoo Koo has made significant strides in his career, contributing to well-respected companies such as InterDigital Patent Holdings, Inc. and InterDigital Technology Corporation. His role in these organizations has not only facilitated his research but has also helped shape the landscape of wireless communication technologies.

Collaborations

Throughout his career, Changsoo has collaborated with other notable professionals, including Sung-Hyuk Shin and Janet A Stern-Berkowitz. These partnerships have further enriched his ability to innovate and advance the capabilities of reference signal technologies.

Conclusion

Changsoo Koo stands out as a remarkable inventor whose dedication to innovation has resulted in multiple patents that enhance the telecommunication industry. His work reflects a deep understanding of complex systems, and his collaborations with esteemed colleagues only add to the significance of his contributions. As technology continues to evolve, the impact of his inventions will undoubtedly shape the future of communication.

Profile summary based on public USPTO records.