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For the Inventor, By the Inventor

Changhwan Park

San Diego, CA, United States of America

Changhwan Park

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This inventor holds 103 USPTO granted patents and 117 published patent applications and 6 EPO patents, primarily in Wireless Communications. Top assignees: Qualcomm Incorporated, Qualcomm Incorproated. Active years: 2022-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Changhwan Park. Retrieved from https://idiyas.com/inventor/changhwan-park-gvhebmcx

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

Calculating rank
USPTO Granted Patents = 103 

% Patents Active = 62.1

 

Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 12(Granted Patents)

Forward Citations (Not Self Cited) = 6(Dec 10, 2025)


Company Filing History:

goldMedal99 out of 45,060 
 
Qualcomm Incorporated
 patents
silverMedal1 out of 81 
 
Qualcomm Incorproated
 patents
where one patent can have more than one assignee

Years Active: 2022-2026

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Areas of Expertise:
Temporary Reference Signal
Uplink Transmissions
Channel State Information
Energy Savings Mode
Non-Terrestrial Network
Cell Activation Procedures
Measurement Gaps
Dynamic Uplink Control
Synchronization Techniques
User Equipment Mobility
Antenna Configuration
Beamforming Performance
103 patents (USPTO):Explore Patents
1. 12776809 - Gradual frequency adjustment for dual-loop frequency control in NTN based on user equipment requirements (2026-10-27),
2. 12772197 - Configuration details for autonomous gaps for positioning (2026-10-20),
3. 12756513 - Demodulation reference signal bundling of a message of a random access procedure (2026-10-06),
4. 12750113 - Correlation model for a frequency range 2 multi-receiver system with simultaneous reception (2026-09-29),
5. 12745199 - Techniques for on-demand synchronization signal block configuration and trigger for secondary cell activation (2026-09-22),
6. 12745160 - Beam identification and simultaneous synchronization signal block transmissions for network device with multiple beams (2026-09-22),
7. 12744653 - Techniques for serving cell activation and deactivation using reference signals (2026-09-22),
8. 12739844 - Downlink control information with bandwidth part indicator for multi-cell scheduling (2026-09-15),
9. 12739768 - Measurement configuration and validation (2026-09-15),
10. 12739762 - Radio link monitoring and reception power for a carrier without an SSB in inter-band carrier aggregation (2026-09-15),
11. 12720544 - Enhancement for HARQ-ACK for RRC message in early contention resolution (2026-08-25),
12. 12720532 - Systems and techniques for uplink transmission timing with scheduling offsets (2026-08-25),
13. 12720353 - Secondary cell measurement reporting after activation (2026-08-25),
14. 12716978 - Reducing measurement and reporting overhead for aerial vehicles (2026-08-25),
15. 12713488 - TECHNIQUES FOR DIRECT SECONDARY CELL ACTIVATION USING TEMPORARY REFERENCE SIGNALS (2026-08-18),

Title: Changhwan Park: Innovator in Wireless Communication Technology

Introduction

Changhwan Park is an esteemed inventor based in San Diego, California, recognized for his significant contributions to the field of wireless communication. With a remarkable portfolio comprising 42 patents, he has been instrumental in advancing technologies that enhance communication efficiency and device performance.

Latest Patents

Among his latest patents is a groundbreaking method for dynamic orientation-change-based over-the-air testing of beamforming performance. This innovation provides a structured approach to testing wireless devices, focusing on assessing performance based on various angular orientations in relation to an antenna within a test chamber. The methodology includes a robust comparison of communication performance measurements to determine if a device meets specific performance criteria.

Another notable patent revolves around low-power synchronization and wake-up signals. This invention emphasizes the ability of user equipment (UE) to detect low-power synchronization signals associated with broader coverage areas, enhancing the functionality of wireless communication. The implementation of low-power wake-up signals allows devices to conserve energy while maintaining connectivity, which is crucial in today’s energy-conscious tech landscape.

Career Highlights

Changhwan Park serves as a key innovator at Qualcomm Incorporated, a leading telecommunications company renowned for its cutting-edge technologies. His expertise in wireless communication has led to advancements that not only influence product development but also shape industry standards.

Collaborations

Throughout his career, Changhwan has collaborated with talented coworkers, including Alberto Rico Alvarino and Liangping Ma. These partnerships have fueled creative synergies, enabling the team to pursue innovative solutions in wireless technologies effectively.

Conclusion

Changhwan Park exemplifies the spirit of innovation through his extensive work in wireless technologies. His inventive prowess, marked by a substantial number of patents, underscores his commitment to enhancing communication systems and improving user experiences. As the landscape of technology continues to evolve, Park's contributions will undoubtedly play a crucial role in defining the future of wireless communication.

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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