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For the Inventor, By the Inventor

Qinhuangdao, China

Citic Dicastal Co., Ltd


USPTO Granted Patents = 539


Trademarks = 3

Forward Citations = 856

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383 inventors (with patents filed for the assignee):

goldMedal Zuo Xu (147 out of 147 patents)

silverMedal Zhihua Zhu (120 out of 121 patents)

bronzeMedal Jiandong Guo (114 out of 116 patents)

4.  Bowen Xue (102 out of 104 patents)

5.  Zhichong Liu (83 out of 83 patents)

6.  Weidong Liu (75 out of 75 patents)

7.  Hanqi Wu (63 out of 63 patents)

8.  Shiwen Xu (63 out of 63 patents)

9.  Huiying Liu (60 out of 60 patents)

10.  Changhai Li (41 out of 42 patents)

11.  Guoyuan Xiong (28 out of 28 patents)

12.  Chunhai Liu (25 out of 25 patents)

13.  Minglei Li (24 out of 24 patents)

14.  Yongwang Zhao (24 out of 24 patents)

15.  Xiao Liu (22 out of 22 patents)


Core Competencies:
Aluminum Alloy Casting
Vehicle Wheel Design
Sound Absorber Technology
Magnesium Alloy Wheels
Hub Image Retrieval
Mold Temperature Control
Surface Coating Methods
High-Precision Centering Devices
Casting Ladle Innovations
Electric Control Valve Detection
Thickness Measurement Techniques
Deburring Devices

539 patents:

1. 12488563 - Hub image retrieval method and device (2025-12-02),
2. 12311435 - Preparation method for aluminum alloy cavity casting filled with special-shaped foamed aluminum (2025-05-27),
3. 12305920 - Aluminum alloy material smelting device (2025-05-20),
4. D1043506 - Vehicle wheel (2024-09-24),
5. D1043505 - Vehicle wheel (2024-09-24),
6. D1043504 - Vehicle wheel (2024-09-24),
7. 12091755 - Aluminum alloy hub and method for coating surface of aluminum alloy hub (2024-09-17),
8. 12091736 - Spinning process of magnesium alloy wheel hub (2024-09-17),
9. 12090545 - Riser tube coating for cast aluminum alloy and using method thereof (2024-09-17),
10. 12072184 - Hole wall thickness gauge (2024-08-27),
11. D1032450 - Vehicle wheel (2024-06-25),
12. D1032449 - Vehicle wheel (2024-06-25),
13. D1031581 - Vehicle wheel (2024-06-18),
14. D1031580 - Vehicle wheel (2024-06-18),
15. D1031579 - Vehicle wheel (2024-06-18),
CITIC DICASTAL CO., LTD is a leading global manufacturer of aluminum alloy wheels for automobiles. With a focus on innovation and quality, they provide customers with high-performance wheel solutions that enhance the performance, safety, and aesthetics of vehicles. CITIC DICASTAL is committed to sustainability and continuously strives to develop environmentally friendly products and manufacturing processes. Visit their website to explore their wide range of products and learn more about their commitment to excellence in the automotive industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

539 Patents

#1 in Qinhuangdao

#65 in China

#1,749 in the World

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Qinhuangdao, China

Citic Dicastal Co., Ltd

Forward Citations = 856

383 inventors:

goldMedal Zuo Xu (147 out of 147 patents)

silverMedal Zhihua Zhu (120 out of 121 patents)

bronzeMedal Jiandong Guo (114 out of 116 patents)

4.  Bowen Xue (102 out of 104 patents)

5.  Zhichong Liu (83 out of 83 patents)

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