Li Liu

This inventor holds 47 USPTO granted patents and 18 published patent applications and 20 EPO patents, primarily in Millimeter Wave Technology. Top assignees: Qualcomm Incorporated, Illumina Corporation, Qualcomm Technologies, Inc.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Li Liu. Retrieved from https://idiyas.com/inventor/li-liu-kjvi8w9u

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

Calculating rank

USPTO Granted Patents = 47 (Patent Applications = 18)

% Patents Active = 80.9

EPO Patents = 20 (Patent Applications = 48)

Average Co-Inventor Count = 3.5

ph-index = 8

Forward Citations = 295(Granted Patents)

Company Filing History:

44 out of 45,060

Qualcomm Incorporated

Qualcomm Technologies, Inc.

patents

Years Active: 2010-2026

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Areas of Expertise:

Phased Array Antenna

Millimeter Wave

MIMO Architecture

Doherty Transceiver

Carrier Aggregation

Hybrid Transceiver

Signal Power Detector

Low-Pass Filter

Multi-Band Transmitter

Tunable Inductor

Mixer Architectures

Diversity Receiver

47 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12676681 - Transceiver built-in self-test (2026-07-07),

2. 12652008 - Transceiver interface with power detection (2026-06-09),

3. 12451908 - Phased array antenna architecture (2025-10-21),

4. 12381603 - Millimeter wave (MMW) downlink multiple input multiple output (MIMO) and carrier aggregation (CA) architecture (2025-08-05),

5. 12301170 - Doherty transceiver interface (2025-05-13),

6. 12267090 - Intermediate frequency filter for millimeter-wave carrier aggregation (2025-04-01),

7. 12255586 - Oscillator feedthrough calibration (2025-03-18),

8. 11979123 - Radio frequency (RF) signal power detector using different power rails to receive currents from which power-indicating voltage is generated (2024-05-07),

9. 11949175 - Millimeter wave antenna tuner (2024-04-02),

10. 11942971 - Split chaining for large phase array systems (2024-03-26),

11. 11862861 - Hybrid wireless transceiver architecture that supports multiple antenna arrays (2024-01-02),

12. 11750253 - Multi-band transmitter (2023-09-05),

13. 11609247 - System and method for active S11 detection in phased array transceivers (2023-03-21),

14. 11606070 - Radio frequency (RF) signal power detector using different power rails to receive currents from which power-indicating voltage is generated (2023-03-14),

15. 11319593 - Distinguishing methylation levels in complex biological samples (2022-05-03),

Title: Innovations and Achievements of Li Liu in San Diego, CA

Introduction

Li Liu is a distinguished inventor based in San Diego, California, known for his remarkable contributions to the field of radio frequency (RF) technology. With an impressive portfolio of 40 patents, Liu has made significant advancements in RF signal detection and microelectronic antenna systems.

Latest Patents

Among his latest innovations, Liu has developed a "Radio frequency (RF) signal power detector using different power rails to receive currents from which power-indicating voltage is generated," which features a sophisticated apparatus designed to enhance the accuracy of RF power level detection. This invention includes a first current source generating a current based on an RF signal's power level, complemented by a transimpedance amplifier that translates this current into a measurable voltage. Additionally, Liu's work on a "Millimeter wave antenna tuner" showcases his expertise in designing microelectronic antenna tuners. This technology facilitates the integration of multiple RF signal ports, tuning devices, and antenna elements, optimizing wireless communication systems.

Career Highlights

Throughout his career, Li Liu has contributed to renowned companies such as Qualcomm Incorporated and Illumina Corporation. His role in these organizations has enabled him to lead pioneering research initiatives and push the boundaries of technology in the RF spectrum.

Collaborations

Liu has collaborated with notable professionals in the field, including Chuan Wang and Chiewcharn Narathong. These collaborations underscore his commitment to fostering innovation through teamwork and sharing of knowledge.

Conclusion

Li Liu's extensive patent portfolio and his contributions to leading technology companies highlight his impact on the field of RF technology. His innovative inventions not only advance the industry but also provide a foundation for future developments in communication and electronics. His work continues to inspire new generations of inventors and engineers striving for excellence in their respective fields.

Profile summary based on public USPTO records.