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For the Inventor, By the Inventor

Santa Clara, CA, United States of America

O2 Micro, Incorporated


USPTO Granted Patents = 239


Trademarks = 5

Forward Citations = 1,995

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187 inventors (with patents filed for the assignee):

goldMedal Guoxing Li (55 out of 84 patents)

silverMedal Ching-Chuan Kuo (26 out of 34 patents)

bronzeMedal Laszlo Lipcsei (23 out of 57 patents)

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

5.  Wei Zhang (15 out of 178 patents)

6.  Da Liu (14 out of 46 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 11 patents)

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


Core Competencies:
Battery Management Systems
Light Source Modules
Power Management
Battery Protection
Fault Detection
Charge/Discharge Control
Battery Balancing
Voltage Feedback Circuits
DC to DC Converters
State of Charge Estimation
Open Cell Detection
Power Delivery Control

239 patents:

1. 12506412 - Power management systems (2025-12-23),
2. 12389507 - Controller for controlling a light source module (2025-08-12),
3. 12376209 - Controller for controlling a light source module (2025-07-29),
4. 12292480 - Controller and method for detecting battery cell voltage (2025-05-06),
5. 12095047 - Determining a status of connection between a battery unit and a battery management system (2024-09-17),
6. 12081056 - Controller and battery management methods (2024-09-03),
7. 12061237 - Detecting whether a battery management system is abnormal (2024-08-13),
8. 12055591 - Battery management controllers capable of determining estimate of state of charge (2024-08-06),
9. 11955823 - Protecting a battery in a battery pack (2024-04-09),
10. 11955821 - Managing power in a portable device comprising multiple batteries (2024-04-09),
11. 11930568 - Controller for controlling a light source module (2024-03-12),
12. 11927642 - Open cell detection method and open cell recovery detection method in a battery management system (2024-03-12),
13. 11777154 - Battery management systems and methods, and open cell detection systems (2023-10-03),
14. 11768245 - Predicting a potential fault in a battery (2023-09-26),
15. 11699915 - Controller and battery management methods (2023-07-11),
O2Micro International Limited is a leading manufacturer of ICs for power management and intelligent lighting, specializing in the design, development, and marketing of innovative power management components for mobile devices, LED lighting, and other electronics. The company's products include power management ICs, battery management ICs, LED drivers, and solid-state lighting control systems. O2Micro serves a wide range of customers in the consumer electronics, industrial, automotive, and telecommunications industries.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 13 2026

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239 Patents

#22 in Santa Clara, CA

#385 in California

#1,696 in US

#3,493 in the World

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Santa Clara, CA, United States of America

O2 Micro, Incorporated

Forward Citations = 1,995

187 inventors:

goldMedal Guoxing Li (55 out of 84 patents)

silverMedal Ching-Chuan Kuo (26 out of 34 patents)

bronzeMedal Laszlo Lipcsei (23 out of 57 patents)

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

5.  Wei Zhang (15 out of 178 patents)

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