Changjiu Liu

This inventor holds 12 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignee: Byd Company Limited. Active years: 2014-2026.

USPTO Granted Patents = 12 (Patent Applications = 1)

% Patents Active = 91.7

EPO Patents = 3 (Patent Applications = 9)

Average Co-Inventor Count = 4.9

ph-index = 2

Forward Citations = 11(Granted Patents)

Location History:

Guangdong, CN (2014 - 2017)
Shenzhen, CN (2017 - 2024)

Company Filing History:

12 out of 1,047

Byd Company Limited

patents

Years Active: 2014-2026

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12749912 - Power battery charging method, motor control circuit, and vehicle (2026-09-29),

2. 12266965 - Power battery charging method, motor control circuit, and vehicle (2025-04-01),

3. 12199538 - Motor and energy conversion device thereof (2025-01-14),

4. 12170498 - Energy conversion apparatus and safety control method therefor (2024-12-17),

5. 11916504 - Energy conversion device and vehicle (2024-02-27),

6. 11876396 - Power battery charging method, motor control circuit, and vehicle (2024-01-16),

7. 10059172 - Air conditioning system, method for controlling the same and hybrid vehicle (2018-08-28),

8. 9889841 - Method and system for starting engine of hybrid vehicle (2018-02-13),

9. 9840251 - Hybrid electric vehicle, drive control method and device of the same (2017-12-12),

10. 9821793 - Hybrid electric vehicle, drive control method and device of the same (2017-11-21),

11. 9789758 - Optimized arrangement of front compartment of a hybrid vehicle (2017-10-17),

12. D699631 - Automobile (2014-02-18),

Title: Changjiu Liu: Innovator in Motor Control and Energy Conversion

Introduction

Changjiu Liu is a prominent inventor based in Shenzhen, China. He has made significant contributions to the fields of motor control and energy conversion, holding a total of 11 patents. His innovative work has paved the way for advancements in power battery charging methods and motor control circuits.

Latest Patents

Changjiu Liu's latest patents include a power battery charging method and a motor control circuit. The motor control circuit features a first switch module, a three-phase inverter, and a control module. This design allows for efficient current flow through a three-phase alternating current motor, enhancing its performance. Additionally, he has developed a motor and energy conversion device that incorporates a unique winding structure, optimizing the motor's functionality.

Career Highlights

Liu's career is marked by his role at Byd Company Limited, where he has been instrumental in driving innovation. His expertise in motor control and energy conversion has led to the development of cutting-edge technologies that are crucial for modern electric vehicles and energy systems.

Collaborations

Changjiu Liu has collaborated with notable colleagues, including Yubo Lian and Heping Ling. Their combined efforts have contributed to the success of various projects within the company.

Conclusion

Changjiu Liu's work exemplifies the spirit of innovation in the field of motor control and energy conversion. His patents and contributions continue to influence the industry, showcasing the importance of research and development in advancing technology.