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Xi'an Eswin Material Technology Co., Ltd.

USPTO Granted Patents = 14

Forward Citations = 1

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23 inventors (with patents filed for the assignee):

Bokcheol Sim (4 out of 4 patents)

Wenwu Yang (3 out of 4 patents)

Qinhu Mao (2 out of 2 patents)

4. Yang Li (1 out of 6 patents)

5. Wen Zhang (1 out of 3 patents)

6. Hyunguk Jeon (1 out of 1 patent)

7. Hao Pan (1 out of 1 patent)

8. Yuxuan Guo (1 out of 1 patent)

9. Sungwoo Cho (1 out of 1 patent)

10. Jinkun Kim (1 out of 1 patent)

11. Yong Kang (1 out of 1 patent)

12. Na Yi (1 out of 1 patent)

13. Ying Lu (1 out of 1 patent)

14. Rongkai Linghu (1 out of 1 patent)

15. Peng Heng (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 12486592 - Heater in hot-zone of single crystal pulling apparatus and single crystal pulling apparatus (2025-12-02),

2. 12486591 - Acquisition equipment and method for acquiring nitrogen-doped silicon melt and manufacturing system of nitrogen-doped monocrystalline silicon (2025-12-02),

3. 12384075 - Processing method and system for reducing warp of nitrogen-doped wafer (2025-08-12),

4. 12291796 - Method for growing single-crystal silicon ingots and single-crystal silicon ingots (2025-05-06),

5. 12264409 - Heater assembly and single crystal puller (2025-04-01),

6. 12252805 - Single crystal pulling apparatus hot-zone structure, single crystal pulling apparatus and crystal ingot (2025-03-18),

7. 12227871 - Quartz crucible and crystal puller (2025-02-18),

8. 12209326 - Silicon material processing apparatus, silicon ingot production equipment, and silicon material processing method (2025-01-28),

9. 12183616 - Method and system for positioning center of V-type notch of wafer, and computer storage medium (2024-12-31),

10. 12138743 - Polishing device (2024-11-12),

11. 12116693 - Cylinder assembly for improving region of defect-free growth of crystal ingot for single crystal pulling apparatus and single crystal pulling apparatus (2024-10-15),

12. 11932961 - Assembly sleeve of single crystal pulling apparatus, and single crystal pulling apparatus (2024-03-19),

13. 11839945 - Polishing pad, method for preparing the same, and chemical and mechanical polishing equipment (2023-12-12),

14. 11629985 - Method for regulating inert gas flow, method for preparing monocrystalline silicon, and monocrystalline silicon (2023-04-18),

Company Overview

Xi'an Eswin Material Technology Co., Ltd. specializes in the development and manufacturing of advanced materials, particularly in the fields of electronic components and semiconductor applications. The company focuses on innovative solutions that enhance performance and reliability in various high-tech industries. With a strong emphasis on research and development, Eswin aims to contribute to the growth of technology sectors both domestically and internationally, leveraging its expertise in material science to meet evolving market demands.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#14 in Xi'an

#2,049 in China

#42,290 in the World

Xi'an Eswin Material Technology Co., Ltd.

Forward Citations = 1

23 inventors:

Bokcheol Sim (4 out of 4 patents)

Wenwu Yang (3 out of 4 patents)

Qinhu Mao (2 out of 2 patents)

4. Yang Li (1 out of 6 patents)

5. Wen Zhang (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Xi'an Eswin Material Technology Co., Ltd.. Retrieved from https://idiyas.com/company/xi-an-eswin-material-technology-company

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

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]

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