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Hangzhou, China

Hangzhou Silan Microelectronics Co., Ltd.

USPTO Granted Patents = 20

% Expired Patents = 30.0

Trademarks = 2

Forward Citations = 24

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35 inventors (with patents filed for the assignee):

Shaohua Zhang (7 out of 8 patents)

Yongxiang Wen (5 out of 7 patents)

Yunlong Yao (5 out of 5 patents)

4. Jianxing Wu (5 out of 5 patents)

5. Chen Liu (3 out of 13 patents)

6. Feng Ji (2 out of 19 patents)

7. Yulei Jiang (2 out of 2 patents)

8. Yanghui Sun (2 out of 2 patents)

9. Guoqiang Yu (2 out of 2 patents)

10. Xianming Tang (2 out of 2 patents)

11. Hua Zhan (2 out of 2 patents)

12. Dong Wang (1 out of 12 patents)

13. Bin Zhang (1 out of 74 patents)

14. Junshan Ge (1 out of 1 patent)

15. Zhijian Ma (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12021128 - Bidirectional power device and method for manufacturing the same (2024-06-25),

2. 11305985 - MEMS device and manufacturing method thereof (2022-04-19),

3. 11239753 - Switching converter, and control method and control circuit thereof (2022-02-01),

4. 11212611 - MEMS microphone and manufacturing method thereof (2021-12-28),

5. 11161734 - MEMS assembly and manufacturing method thereof (2021-11-02),

6. 10937859 - Method for manufacturing power device (2021-03-02),

7. 10923563 - Power device (2021-02-16),

8. 10770340 - Isolation structure and manufacturing method thereof for high-voltage device in a high-voltage BCD process (2020-09-08),

9. 10425002 - Error amplification apparatus and driving circuit including the same (2019-09-24),

10. 10297662 - Dielectrically isolated semiconductor device and method for manufacturing the same (2019-05-21),

11. 10186944 - Switching power supply and the controller thereof (2019-01-22),

12. 9866214 - Composite device and switching power supply (2018-01-09),

13. 9824913 - Isolation structure and manufacturing method thereof for high-voltage device in a high-voltage BCD process (2017-11-21),

14. 9263956 - Switch-mode power supply control apparatus and flyback switch-mode power supply including the control apparatus (2016-02-16),

15. 9084318 - Primary-side controlled switch-mode power supply controller for driving LED with constant current and method thereof (2015-07-14),

Company Overview

Hangzhou Silan Microelectronics Co., Ltd. is a prominent player in the semiconductor industry, specializing in the design and manufacture of integrated circuits and microelectronic components. The company focuses on various technology domains, including power management, analog and digital signal processing, and RF communication. With its headquarters in Hangzhou, China, Silan is committed to advancing microelectronics technology and providing innovative solutions to meet the evolving needs of diverse industries, including consumer electronics and automotive applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#41 in Hangzhou

#1,478 in China

#31,295 in the World

Hangzhou, China

Hangzhou Silan Microelectronics Co., Ltd.

Forward Citations = 24

35 inventors:

Shaohua Zhang (7 out of 8 patents)

Yongxiang Wen (5 out of 7 patents)

Yunlong Yao (5 out of 5 patents)

4. Jianxing Wu (5 out of 5 patents)

5. Chen Liu (3 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hangzhou Silan Microelectronics Co., Ltd.. Retrieved from https://idiyas.com/company/hangzhou-silan-microelectronics-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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