David Wanqian Liu

This inventor holds 43 USPTO granted patents and 32 published patent applications, plus 2 CIPO patents and 10 EPO patents, primarily in Autonomous Driving. Top assignees: Plusai Limited, Other. Active years: 1997-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Wanqian Liu. Retrieved from https://idiyas.com/inventor/david-wanqian-liu

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

USPTO Granted Patents = 43 (Patent Applications = 32)

% Patents Active = 100.0

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 10 (Patent Applications = 17)

Average Co-Inventor Count = 2.4

ph-index = 9

Forward Citations = 260(Granted Patents)

Location History:

San Jose, CA (US) (1997)
City of Industry, CA (US) (2000 - 2002)
San Dimas, CA (US) (2021 - 2023)
Los Altos, CA (US) (2019 - 2024)

Company Filing History:

35 out of 166

Plusai Limited

patents

2 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1997-2025

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Areas of Expertise:

Autonomous Vehicles

Lane Planning

Perception Systems

Adaptive Motion

Object Labeling

Driver State Awareness

Vehicle Control Prediction

Hybrid Driving

Depth Estimation

Risk Control

Augmented Alerting

Stereo Vision

43 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12307347 - Method and system for distributed learning and adaptation in autonomous driving vehicles (2025-05-20),

2. 12093821 - Method and system for closed loop perception in autonomous driving vehicles (2024-09-17),

3. 12071142 - Method and system for personalized driving lane planning in autonomous driving vehicles (2024-08-27),

4. 12060066 - Method and system for human-like driving lane planning in autonomous driving vehicles (2024-08-13),

5. 12039445 - Method and system for on-the-fly object labeling via cross modality validation in autonomous driving vehicles (2024-07-16),

6. 11845379 - Method and system for augmented alerting based on driver's state in hybrid driving (2023-12-19),

7. 11813983 - Method and system for augmented alerting based on driver's state in hybrid driving (2023-11-14),

8. D1002594 - Antenna with bowtie sectors (2023-10-24),

9. 11790551 - Method and system for object centric stereo in autonomous driving vehicles (2023-10-17),

10. 11650586 - Method and system for adaptive motion planning based on passenger reaction to vehicle motion in autonomous driving vehicles (2023-05-16),

11. 11643086 - Method and system for human-like vehicle control prediction in autonomous driving vehicles (2023-05-09),

12. 11609566 - Method and system for driving mode switching based on self-aware capability parameters in hybrid driving (2023-03-21),

13. 11597390 - Method and system for driving mode switching based on driver's state in hybrid driving (2023-03-07),

14. 11590890 - Method and system for augmented alerting based on driver's state in hybrid driving (2023-02-28),

15. 11587248 - Method and system for multiple stereo based depth estimation and collision warning/avoidance utilizing the same (2023-02-21),

Title: Innovations of David Wanqian Liu in Autonomous Driving

Introduction

David Wanqian Liu is an accomplished inventor based in Los Altos, California, with a remarkable portfolio of 34 patents to his name. His innovative work primarily focuses on advancements in autonomous driving technology, showcasing a profound understanding of the complexities involved in this rapidly evolving field.

Latest Patents

Among David Liu's contributions to the realm of technology, two of his latest patents stand out:

1. **Method and system for closed loop perception in autonomous driving vehicles** - This invention presents a comprehensive methodology and system for implementing a global model update center. The system integrates a model established for detecting objects in the surroundings of autonomous vehicles within a fleet. By receiving labeled data items generated automatically from the vehicles, the models are updated to enhance the vehicle's ability to perceive its environment accurately.

2. **Method and system for personalized driving lane planning in autonomous driving vehicles** - This patent describes a method for improving lane planning in autonomous vehicles. By utilizing sensor data that captures ground images, the system detects the current lane and incorporates information about passenger presence to access a personalized lane control model. With this approach, the vehicle can predict its operational capabilities and plan its movements effectively, creating a more tailored driving experience.

Career Highlights

David Wanqian Liu has made significant strides as an inventor in the field of autonomous driving. His work at Plusai Limited is pivotal, as he applies his expertise to enhance the safety and efficiency of self-driving technology. His contributions have not only advanced the technology but have also provided valuable insights into the mechanics of real-time data processing and model updates.

Collaborations

Throughout his career, David has collaborated with other talented individuals, including Hao Zheng and Timothy Patrick Daly, Jr. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and expertise that has driven groundbreaking advancements in automotive technology.

Conclusion

David Wanqian Liu stands out as a leading inventor in the field of autonomous driving, with a rich portfolio of patents that demonstrate his commitment to innovation. Through his work at Plusai Limited, he continues to shape the future of transportation, enhancing both the technology and experience of autonomous vehicles. His contributions, along with the collaborative efforts with his colleagues, signify a promising future in the realm of self-driving technology.

Profile summary based on public USPTO records.