Weifeng Du

This inventor holds 18 USPTO granted patents and 4 published patent applications, primarily in Polycrystalline Diamond Technology. Top assignee: Sf Diamond Co., Ltd.. Active years: 2022-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Weifeng Du. Retrieved from https://idiyas.com/inventor/weifeng-du

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

Calculating rank

USPTO Granted Patents = 18 (Patent Applications = 4)

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 7

Forward Citations = 72(Granted Patents)

Location History:

Henan, CN (2023)
Zhengzhou, CN (2022 - 2024)

Company Filing History:

18 out of 20

Sf Diamond Co., Ltd.

patents

Years Active: 2022-2025

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Areas of Expertise:

Polycrystalline Diamond

Diamond Compact

Drill Bit

Raised Surface

Groove Structure

Tripartite Design

Double-Layer Structure

Peripheral Extension

Diamond Extensions

Surface Geometry

Compact Table

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D1068884 - Polycrystalline diamond compact with a raised parallelogram surface and a groove formed therein (2025-04-01),

2. D1057780 - Polycrystalline diamond compact with a tripartite raised surface (2025-01-14),

3. D1057779 - Polycrystalline diamond compact with a raised surface and groove therein (2025-01-14),

4. 12168608 - Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom (2024-12-17),

5. 12103853 - Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom (2024-10-01),

6. D1026981 - Polycrystalline diamond compact with a tripartite raised surface (2024-05-14),

7. D1026980 - Polycrystalline diamond compact with a raised surface and groove therein (2024-05-14),

8. 11873684 - Polycrystalline diamond compact (2024-01-16),

9. D1006074 - Polycrystalline diamond compact with a raised triangular structure (2023-11-28),

10. D1006073 - Polycrystalline diamond compact with a raised surface sloping to a peripheral extension (2023-11-28),

11. 11772977 - Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom (2023-10-03),

12. D997219 - Polycrystalline diamond compact with a double-layer structure (2023-08-29),

13. D989827 - Drill bit (2023-06-20),

14. D989826 - Drill bit (2023-06-20),

15. D982632 - Drill bit (2023-04-04),

Title: Weifeng Du: Innovator in Diamond Technology

Introduction

Weifeng Du is a prominent inventor based in Henan, China, known for his significant contributions to the field of diamond technology. With a total of 18 patents to his name, Du has established himself as a leading figure in the development of advanced materials.

Latest Patents

Among his latest innovations are two notable patents: the "Polycrystalline diamond compact with a raised parallelogram surface and a groove formed therein" and the "Polycrystalline diamond compact with a raised surface and groove therein." These inventions showcase his expertise in enhancing the performance and functionality of diamond materials.

Career Highlights

Du is currently employed at Sf Diamond Co., Ltd., where he continues to push the boundaries of diamond technology. His work has not only advanced the industry but has also paved the way for new applications in various fields.

Collaborations

Throughout his career, Weifeng Du has collaborated with talented individuals such as Yongfeng Wang and Haijiang Fang. These partnerships have contributed to the innovative projects and patents that have emerged from his work.

Conclusion

Weifeng Du's contributions to diamond technology through his numerous patents and collaborations highlight his role as a key innovator in the field. His ongoing work promises to further enhance the capabilities of diamond materials in various applications.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

4 patents pending: