EPO Patents = 4

Forward Citations = 1

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9 inventors (with patents filed for the assignee):

Rui Gao (1 out of 21 patents)

Lei Ma (1 out of 51 patents)

Qingjiang Li (1 out of 3 patents)

4. Yong Chen (1 out of 42 patents)

5. Zhiqian Yang (1 out of 3 patents)

6. Shijun Liu (1 out of 2 patents)

7. Shuaiyang Zhao (1 out of 1 patent)

8. Yunhai Lan (1 out of 1 patent)

9. Chengzhi Qin (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 11509166 - Microgrid control system and microgrid (2022-11-22),

2. 10775756 - Synchronous control method and synchronous control system of multiple controlled components (2020-09-15),

3. 10578079 - Yaw control method and device for wind generator set (2020-03-03),

4. 10267292 - Wind turbine and operational control method and device therefor (2019-04-23),

Company Overview

Beijing Etechwin Electric Co., Ltd. is a leading manufacturer of high-quality electric motors and control equipment. With a strong expertise in research and development, the company offers a wide range of products for various industries including power generation, industrial automation, and transportation. Etechwin is committed to delivering innovative solutions that meet the highest standards of quality and reliability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#559 in Beijing

#6,438 in China

Beijing, China

Beijing Etechwin Electric Co., Ltd.

Forward Citations = 1

9 inventors:

Rui Gao (1 out of 21 patents)

Lei Ma (1 out of 51 patents)

Qingjiang Li (1 out of 3 patents)

4. Yong Chen (1 out of 42 patents)

5. Zhiqian Yang (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Beijing Etechwin Electric Co., Ltd.. Retrieved from https://idiyas.com/company/beijing-etechwin-electric-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]

4 patents (EPO):

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]