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For the Inventor, By the Inventor

Hsinchu, Taiwan

Topray Mems Inc.


USPTO Granted Patents = 20

% Expired Patents = 30.0

Forward Citations = 29

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13 inventors (with patents filed for the assignee):

goldMedal Chin-Sung Liu (19 out of 26 patents)

silverMedal Hsiao-Ming Chien (13 out of 13 patents)

bronzeMedal Shin-Ter Tsai (9 out of 16 patents)

4.  Chi-Ling Chang (7 out of 8 patents)

5.  Yi-Jung Chen (3 out of 20 patents)

6.  Tzu-Kuang Fang (3 out of 3 patents)

7.  Ping-Ju Chang (2 out of 2 patents)

8.  Tsung-Min Yang (1 out of 3 patents)

9.  Ming-Yan Lin (1 out of 1 patent)

10.  Tsung-Hung Wu (1 out of 1 patent)

11.  Chien-Chung Pien (1 out of 2 patents)

12.  Yueh-Lin Hsieh (1 out of 1 patent)

13.  Yu-Cheng Liu (1 out of 1 patent)


20 patents:

1. 12726098 - Vibration motor with a closed-loop magnetic circuit (2026-09-01),
2. 12724502 - Mouse scroll wheel mechanism (2026-09-01),
3. 12669881 - Mouse scroll wheel mechanism (2026-06-30),
4. 12645312 - Mouse scroll wheel mechanism (2026-06-02),
5. 12191738 - Resonant vibration actuator (2025-01-07),
6. 12141359 - Vibration feedback device and control method thereof (2024-11-12),
7. 11874967 - Force sensing module with vibration feedback (2024-01-16),
8. 11562633 - Slim type tactile feedback device (2023-01-24),
9. 11411480 - Linear vibration actuator motor (2022-08-09),
10. 11404948 - Linear vibration motor (2022-08-02),
11. 11072045 - Method and structure for compensating tolerances in assembling modules (2021-07-27),
12. 10971984 - Linear vibration motor (2021-04-06),
13. 10938286 - Linear resonant actuator, control system and brake control method (2021-03-02),
14. 10804785 - Control system and vibration control method for linear resonant actuator (2020-10-13),
15. 10069393 - Dual diamagnetic linear resonant actuator (2018-09-04),
Company Overview
Topray Mems Inc. is a leading developer and manufacturer specializing in MEMS (Micro-Electro-Mechanical Systems) technology. The company focuses on creating innovative solutions for various applications, including sensors and actuators, which are integral to modern electronics. Based in Hsinchu, Taiwan, Topray leverages advanced research and development capabilities to enhance product performance and reliability, catering to industries such as consumer electronics, automotive, and industrial automation.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

20 Patents

#166 in Hsinchu

#821 in Taiwan

#31,233 in the World

Hsinchu, TW
Hsinchu, Taiwan

Topray Mems Inc.

Forward Citations = 29

13 inventors:

goldMedal Chin-Sung Liu (19 out of 26 patents)

silverMedal Hsiao-Ming Chien (13 out of 13 patents)

bronzeMedal Shin-Ter Tsai (9 out of 16 patents)

4.  Chi-Ling Chang (7 out of 8 patents)

5.  Yi-Jung Chen (3 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Topray Mems Inc.. Retrieved from https://idiyas.com/company/topray-mems

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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