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Shanghai, China

Shanghai Sigeyuan Intelligent Technology Co.,ltd

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Hao Chang (1 out of 4 patents)

Yijin Qin (1 out of 2 patents)

Zhimin Jiang (1 out of 1 patent)

4. Pengfei He (1 out of 1 patent)

5. Zhanxiang Yin (1 out of 1 patent)

6. Cheng Chen (0 patent)

7. Xinwei Liu (0 patent)

8. Changquan Kang (0 patent)

2 patents: Sort by Forward Citations

1. 12494649 - Photovoltaic inverter and control method thereof (2025-12-09),

2. 12411186 - Detection method for inverter system, inverter system, and arc detection system (2025-09-09),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#759 in Shanghai

#10,021 in China

Shanghai, China

Shanghai Sigeyuan Intelligent Technology Co.,ltd

Forward Citations = 0

5 inventors:

Hao Chang (1 out of 4 patents)

Yijin Qin (1 out of 2 patents)

Zhimin Jiang (1 out of 1 patent)

4. Pengfei He (1 out of 1 patent)

5. Zhanxiang Yin (1 out of 1 patent)

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