logo

For the Inventor, By the Inventor

San Diego, CA, United States of America

Chengjin Zhang

This inventor holds 20 USPTO granted patents and 27 published patent applications and 5 EPO patents, primarily in Wireless Communication. Top assignee: Qualcomm Incorporated. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chengjin Zhang. Retrieved from https://idiyas.com/inventor/chengjin-zhang-uov407tr

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 65.0

 

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 38(Granted Patents)


Company Filing History:

goldMedal20 out of 45,002 
 
Qualcomm Incorporated
 patents

Years Active: 2012-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Clock Calibration
Ambient IoT
Energy Harvesting
Proximity Devices
Wireless Networks
Frequency Hopping
Paging Efficiency
Mobile Transmit Diversity
Signal Processing
Secondary Cell Management
Unlicensed Spectrum
Diversity Techniques
20 patents (USPTO):Explore Patents
1. 12720455 - Clock calibration using sine waves (2026-08-25),
2. 12713270 - AMBIENT INTERNET OF THINGS (IOT) COEXISTENCE WITH ELECTRONIC SHELF LABEL (ESL) (2026-08-18),
3. 12647928 - Scheduling and reporting for positioning using proximity devices (2026-06-02),
4. 12603673 - Frequency hopping and fixed frequency selection for ambient internet of things (IoT) devices (2026-04-14),
5. 12550065 - Energy harvesting tag random access and uplink scheduling (2026-02-10),
6. 12537730 - Different symbol lengths for A-IoT inventory rounds (2026-01-27),
7. 12463462 - Multi-capacitor energy harvesting (2025-11-04),
8. 10999886 - Techniques for harmonization between CRS and DM-RS based transmission modes in unlicensed spectrum (2021-05-04),
9. 10952142 - Energy-efficient paging in wireless networks (2021-03-16),
10. 10560957 - Out-of-sync grant handling in a wireless communication system (2020-02-11),
11. 10499255 - Discovery reference signal (DRS) search modes and mode switching techniques (2019-12-03),
12. 10412704 - Enhanced discontinuous reception design for a shared frequency band (2019-09-10),
13. 10375685 - Secondary timing advance groups with only license assisted access secondary cells (2019-08-06),
14. 10212619 - Managing secondary cell connections in unlicensed spectrum (2019-02-19),
15. 10034269 - Enhanced discontinuous reception design for a shared frequency band (2018-07-24),

Title: Innovations and Contributions of Chengjin Zhang

Introduction

Chengjin Zhang is a prominent inventor based in San Diego, California. He has made significant contributions to the field of wireless communication, holding a total of 13 patents. His work focuses on enhancing communication techniques in unlicensed spectrum environments.

Latest Patents

One of Chengjin Zhang's latest patents is titled "Techniques for harmonization between CRS and DM-RS based transmission modes in unlicensed spectrum." This patent describes various aspects related to harmonizing common reference signal (CRS) and demodulation reference signal (DM-RS) based transmission modes. It includes configurations for downlink/uplink subframes and supports periodic and aperiodic channel state information reporting requests. Another notable patent is "Energy-efficient paging in wireless networks," which outlines methods for optimizing paging opportunities in wireless communication. This innovation allows user equipment and base stations to adjust paging opportunity windows to meet performance metrics and conserve power.

Career Highlights

Chengjin Zhang is currently employed at Qualcomm Incorporated, a leading company in the telecommunications industry. His work at Qualcomm has positioned him as a key player in advancing wireless communication technologies.

Collaborations

Chengjin Zhang has collaborated with notable colleagues, including Daniel Fred Filipovic and Alexei Yurievitch Gorokhov. These collaborations have contributed to the development of innovative solutions in the field.

Conclusion

Chengjin Zhang's contributions to wireless communication through his patents and work at Qualcomm demonstrate his commitment to innovation in the industry. His advancements are paving the way for more efficient communication technologies.

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]
Loading…