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Prolific Technology Inc.

USPTO Granted Patents = 77

% Expired Patents = 19.5

EPO Patents = 1

Trademarks = 6

Forward Citations = 419

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88 inventors (with patents filed for the assignee):

Chia-Chang Hsu (16 out of 16 patents)

Chih-Shih Yang (8 out of 8 patents)

Yun-Kuo Lee (8 out of 8 patents)

4. Wen-Hwa Chou (6 out of 7 patents)

5. Cheng-Sheng Chan (5 out of 9 patents)

6. Chiun-Shiu Chen (5 out of 5 patents)

7. Ren-Yuan Yu (5 out of 8 patents)

8. Tien-Wei Yu (4 out of 39 patents)

9. Chia Chang Hsu (3 out of 3 patents)

10. Chih Feng Huang (3 out of 3 patents)

11. Wan-Yang Chen (3 out of 3 patents)

12. Jia-Jun Liu (3 out of 3 patents)

13. Ching-Te Chen (3 out of 3 patents)

14. Kuang-Yao Cheng (3 out of 5 patents)

15. Hsin-Chuan Chen (3 out of 4 patents)

Core Competencies:

USB Hub

Motor Control

Battery Management

Dynamic Charging

Data Monitoring

Fan Control

Voltage Regulation

Impedance Sensing

Carplay Interface

Power Protection

KVM Switch

Self-Diagnosis

77 patents: Sort by Forward Citations

1. 12726459 - Method for inter-integrated circuit (I2C) address allocation (2026-09-01),

2. 12724738 - Serial-bus system with dynamic address table and method for controlling the same (2026-09-01),

3. 12632402 - Device capable of directly diverting data through UART port and USB to UART converter having the same (2026-05-19),

4. 12478239 - Device for conducting motor recognition and protection and vacuum cleaner using the same (2025-11-25),

5. 12468648 - Bridge device having data monitoring function and USB to UART converter having the same (2025-11-11),

6. 12417204 - Serial-bus system provided with dynamic address assignment and its method for controlling the same (2025-09-16),

7. 12322988 - Device and method for achieving dynamic charging and balance of battery cells and rechargeable battery device (2025-06-03),

8. 12225152 - System and method for achieving display of carplay interface on display screens of multiple electronic devices integrated in motor-driven transportation means (2025-02-11),

9. 11825009 - In-vehicle entertainment system having functionality of operation interface switchable (2023-11-21),

10. 11566629 - Device for real-time self diagnosis of a fan and the method using the same (2023-01-31),

11. 11321260 - USB hub device having functionality of self firmware updating and host electronic system having the same (2022-05-03),

12. 11221605 - Intelligent fan control system with interface compatibility (2022-01-11),

13. 11216401 - USB host-to-USB host chip (2022-01-04),

14. 11118591 - Intelligent fan with interface compatibility (2021-09-14),

15. 10998147 - Switch device capable of automatically detecting and adjusting zero cross point (2021-05-04),

Prolific Technology Inc. is a leading manufacturer and supplier of electronic components and solutions. With a strong focus on innovation and quality, we provide a wide range of products that cater to various industries such as computer peripherals, consumer electronics, and automotive applications. Our expertise lies in developing cutting-edge technologies, including USB, SATA, and Wi-Fi solutions. Through our commitment to excellence, we aim to continuously deliver reliable and efficient products that meet the evolving needs of our customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

77 Patents

#47 in Taipei

#289 in Taiwan

#9,752 in the World

Prolific Technology Inc.

Forward Citations = 419

88 inventors:

Chia-Chang Hsu (16 out of 16 patents)

Chih-Shih Yang (8 out of 8 patents)

Yun-Kuo Lee (8 out of 8 patents)

4. Wen-Hwa Chou (6 out of 7 patents)

5. Cheng-Sheng Chan (5 out of 9 patents)

Please report any incorrect information to [email protected]

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