% Expired Patents = 20.0

Forward Citations = 14

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8 inventors (with patents filed for the assignee):

Hak Ku Yoon (3 out of 3 patents)

Dae Soon Lim (3 out of 3 patents)

Myung Won Choi (3 out of 3 patents)

4. Myung-won Choi (2 out of 2 patents)

5. Dae-soon Lim (2 out of 4 patents)

6. Hak-ku Yoon (2 out of 2 patents)

7. Dong Sung Lee (2 out of 2 patents)

8. Dong-sung Lee (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 12392989 - Optical path changing unit and lens assembly comprising same (2025-08-19),

2. 12132988 - Lens assembly provided with optical path changing unit (2024-10-29),

3. 11474320 - Lens assembly (2022-10-18),

4. 10901172 - Camera lens assembly (2021-01-26),

5. 10237458 - Filter switching device used for camera module and mobile device including camera module (2019-03-19),

Company Overview

Micro Actuator Co., Ltd. specializes in the design and manufacturing of precision micro actuators and related components. The company focuses on providing innovative solutions for various industries, including automotive, aerospace, and consumer electronics. With a commitment to quality and advanced technology, Micro Actuator Co., Ltd. aims to enhance the performance and efficiency of its products, catering to the growing demand for miniaturized and high-performance actuators. Their expertise in micro fabrication techniques allows them to deliver customized solutions that meet specific client requirements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#97 in Seongnam

#1,881 in South Korea

Seongnam, South Korea

Micro Actuator Co., Ltd.

Forward Citations = 14

8 inventors:

Hak Ku Yoon (3 out of 3 patents)

Dae Soon Lim (3 out of 3 patents)

Myung Won Choi (3 out of 3 patents)

4. Myung-won Choi (2 out of 2 patents)

5. Dae-soon Lim (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Micro Actuator Co., Ltd.. Retrieved from https://idiyas.com/company/micro-actuator-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]