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EPO Patents = 2

Trademarks = 1

Forward Citations = 4

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16 inventors (with patents filed for the assignee):

Min Xu (3 out of 63 patents)

Keqi Chen (3 out of 3 patents)

Gang Du (3 out of 3 patents)

4. Shang-Tsai Wu (2 out of 76 patents)

5. Chunpo Zhai (2 out of 2 patents)

6. Xi Fang (2 out of 2 patents)

7. Ting Zhou (1 out of 18 patents)

8. Jianjun Chen (1 out of 10 patents)

9. Xiaoquan Chen (1 out of 1 patent)

10. Xinglei Li (1 out of 1 patent)

11. Guangyong Song (1 out of 1 patent)

12. Yunli Qin (1 out of 1 patent)

13. Fan He (1 out of 3 patents)

14. Chunhui Zhang (1 out of 2 patents)

15. Zhenhui Liu (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 12481270 - Hart circuit and method for determining the state of a field interface thereof (2025-11-25),

2. 12451688 - Linkage mechanism, base, and surge protection device (2025-10-21),

3. 12444296 - Bidirectional transmission circuit for universal signal (2025-10-14),

4. 11700007 - Digital-to-analog conversion device and method (2023-07-11),

5. 10855072 - Intelligent safety relay and circuit applied thereby (2020-12-01),

6. 10593501 - Surge protector and base therof (2020-03-17),

7. 10388479 - Surge protector, and release mechanism and base thereof (2019-08-20),

Shanghai Chenzhu Instrument Co., Ltd. is a leading manufacturer and distributor of high-quality analytical instruments and laboratory equipment. With over 20 years of experience in the industry, we provide a wide range of products including spectrophotometers, chromatography systems, and lab water purification systems. Our commitment to innovation and customer satisfaction has earned us a reputation for excellence in the field of scientific instrumentation.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

7 Patents

#296 in Shanghai

#3,390 in China

Shanghai, China

Shanghai Chenzhu Instrument Co., Ltd.