Zhifei Fan

This inventor holds 188 USPTO granted patents and 38 published patent applications, plus 4 CIPO patents and 68 EPO patents, primarily in Ambient IoT Communications (CPC class H04L5-0048). Top assignees: Qualcomm Incorporated, Other. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zhifei Fan. Retrieved from https://idiyas.com/inventor/zhifei-fan

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

USPTO Granted Patents = 188 (Patent Applications = 38)

% Patents Active = 95.2

CIPO Patents = 4 (Patent Applications = 1)

EPO Patents = 68 (Patent Applications = 111)

Average Co-Inventor Count = 5.5

ph-index = 5

Forward Citations = 128(Granted Patents)

Forward Citations (Not Self Cited) = 99(Dec 10, 2025)

Inventors with similar research interests:

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Company Filing History:

186 out of 44,831

Qualcomm Incorporated

patents

1 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 2013-2026

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Areas of Expertise:

Frequency Hopping

Ambient IoT

Uplink Scheduling

Demodulation Reference Signals

Rate-Splitting

Multi-Carrier Communications

Resource Mapping

Physical Uplink Control

Wireless Communication

Signal Synchronization

Data Scrambling

Network Polling

188 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12750852 - Physical uplink control channel (PUCCH) resource set for multiple resource block PUCCH transmission (2026-09-29),

2. 12720455 - Clock calibration using sine waves (2026-08-25),

3. 12713270 - AMBIENT INTERNET OF THINGS (IOT) COEXISTENCE WITH ELECTRONIC SHELF LABEL (ESL) (2026-08-18),

4. 12659099 - Envelope tracking using dual tones (2026-06-16),

5. 12634064 - Channel state information reference signals in orthogonal time frequency space (2026-05-19),

6. 12628137 - Dedicated slots for ambient devices (2026-05-12),

7. 12621118 - Self-interference cancellation for full-duplex communication (2026-05-05),

8. 12603673 - Frequency hopping and fixed frequency selection for ambient internet of things (IoT) devices (2026-04-14),

9. 12562943 - Preamble design for ambient-internet of things (2026-02-24),

10. 12556904 - Waveform capability indication (2026-02-17),

11. 12550065 - Energy harvesting tag random access and uplink scheduling (2026-02-10),

12. 12537730 - Different symbol lengths for A-IoT inventory rounds (2026-01-27),

13. 12470445 - Multi-carrier on-off keying communications (2025-11-11),

14. 12438751 - Demodulation reference signal sequence signaling for single carrier waveforms with a nonlinear power amplify in higher bands (2025-10-07),

15. 12432716 - Dynamic reconfiguration of uplink control channel resources for a scheduling request (2025-09-30),

Zhifei Fan: Inventor Extraordinaire at QUALCOMM Inc.

Meet Zhifei Fan, a San Diego-based inventor who has created over 100 patented inventions in the field of wireless communications. Mr. Fan's latest patents include a Physical Random Access Channel (PRACH) transmission in New Radio (NR) and Switching Gap Based Rate Matching.

The PRACH patent is part of a new wireless communication system that enables random access signaling between user equipment and base stations. According to the patent, a user equipment may transmit a random access signal, including length in time or length in frequency, based on subcarrier spacing. Meanwhile, the base station may receive the signal and transmit a response.

The Switching Gap Based Rate Matching patent introduces an innovative way of scheduling and sharing a channel associated with a first beamforming configuration. The user equipment receives scheduling information, determines the gap between the shared channel and the resource associated with the second beamforming configuration, and modifies either the gap or the second beamforming configuration based on the determined threshold.

Mr. Fan's contributions to wireless communications have been instrumental in the growth of QUALCOMM Inc., the world's leading wireless technology innovator. He has worked with notable colleagues such as Xiaoxia Zhang and Jing Sun to transform wireless communications and revolutionize the industry.

The inventive spirit and intellectual prowess of Zhifei Fan are truly remarkable. His patented inventions will continue to shape the future of wireless communication technology and redefine the way we connect.

Profile summary based on public USPTO records.