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Santa Clara, CA, United States of America

O2 Micro, Incorporated

USPTO Granted Patents = 242

% Expired Patents = 28.1

EPO Patents = 32

Trademarks = 3

Forward Citations = 2,056

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190 inventors (with patents filed for the assignee):

Guoxing Li (57 out of 86 patents)

Ching-Chuan Kuo (26 out of 34 patents)

Laszlo Lipcsei (23 out of 58 patents)

4. Yung Lin Lin (19 out of 23 patents)

5. Wei Zhang (15 out of 194 patents)

6. Da Liu (14 out of 47 patents)

7. Yung-Lin Lin (12 out of 47 patents)

8. Tiesheng Yan (12 out of 14 patents)

9. Constantin Bucur (10 out of 57 patents)

10. Weidong Xue (9 out of 9 patents)

11. Xinhe Su (9 out of 9 patents)

12. Yingguo Zhang (8 out of 8 patents)

13. William Densham (8 out of 16 patents)

14. Xiaojun Zeng (7 out of 12 patents)

15. Sheng-tai Lee (7 out of 8 patents)

Core Competencies:

Power Management

Battery Protection

Fault Detection

Charging Circuits

Battery Balancing

Voltage Detection

Light Source Control

DC to DC Converters

State of Charge

Battery Abnormality

Current Balancing

Power Transfer

242 patents: Sort by Forward Citations

1. 12761287 - Devices, systems, and methods for monitoring battery modules (2026-10-13),

2. 12677361 - Transformer-based light-source driving systems (2026-07-07),

3. 12663474 - Battery monitoring system including bridge communication device (2026-06-23),

4. 12506412 - Power management systems (2025-12-23),

5. 12389507 - Controller for controlling a light source module (2025-08-12),

6. 12376209 - Controller for controlling a light source module (2025-07-29),

7. 12292480 - Controller and method for detecting battery cell voltage (2025-05-06),

8. 12095047 - Determining a status of connection between a battery unit and a battery management system (2024-09-17),

9. 12081056 - Controller and battery management methods (2024-09-03),

10. 12061237 - Detecting whether a battery management system is abnormal (2024-08-13),

11. 12055591 - Battery management controllers capable of determining estimate of state of charge (2024-08-06),

12. 11955823 - Protecting a battery in a battery pack (2024-04-09),

13. 11955821 - Managing power in a portable device comprising multiple batteries (2024-04-09),

14. 11930568 - Controller for controlling a light source module (2024-03-12),

15. 11927642 - Open cell detection method and open cell recovery detection method in a battery management system (2024-03-12),

Company Overview

O2 Micro, Incorporated is a technology company based in Santa Clara, California, specializing in advanced battery management systems. The company focuses on developing innovative solutions for power management, battery protection, and fault detection, catering to various applications in consumer electronics and automotive sectors. Their expertise extends to charging circuits, battery balancing, voltage detection, and light source control, positioning O2 Micro as a key player in enhancing energy efficiency and reliability in modern devices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

242 Patents

#20 in Santa Clara, CA

#377 in California

#1,755 in US

#3,573 in the World

Santa Clara, CA, United States of America

O2 Micro, Incorporated

Forward Citations = 2,056

190 inventors:

Guoxing Li (57 out of 86 patents)

Ching-Chuan Kuo (26 out of 34 patents)

Laszlo Lipcsei (23 out of 58 patents)

4. Yung Lin Lin (19 out of 23 patents)

5. Wei Zhang (15 out of 194 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: O2 Micro, Incorporated. Retrieved from https://idiyas.com/company/o2-micro

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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