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Hsinchu, Taiwan

Focaltech Systems Co., Ltd.

USPTO Granted Patents = 41

Forward Citations = 60

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42 inventors (with patents filed for the assignee):

Po-Sheng Shih (9 out of 125 patents)

Hsin-Mao Huang (6 out of 9 patents)

Yen-Lin Huang (5 out of 23 patents)

4. Chien-Ying Huang (4 out of 4 patents)

5. Shih-Hsin Huang (4 out of 4 patents)

6. Chih-Hung Kung (4 out of 5 patents)

7. Chien-Yung Cheng (3 out of 23 patents)

8. Hsin-Hao Wang (3 out of 7 patents)

9. Chao Chen (2 out of 15 patents)

10. Yen-Cheng Cheng (2 out of 32 patents)

11. Yi-Chiung Chen (2 out of 5 patents)

12. Jui-Lung Hung (2 out of 2 patents)

13. Chien-Hao Cheng (2 out of 2 patents)

14. Weijing Hou (2 out of 3 patents)

15. Chun-Fu Wang (2 out of 5 patents)

Core Competencies:

Touch Circuit Device

Fingerprint Display

Display Driver Circuit

AMOLED Display

Multi-Touch System

Capacitive Touch Screen

Noise Reduction

Optical Fingerprint

Driving Method

LCD White Balance

Sensing Method

Display Panel

41 patents: Sort by Forward Citations

1. 12517784 - Automotive touch circuit device with ESD protection (2026-01-06),

2. 12394371 - Reset voltage control circuit (2025-08-19),

3. 12161039 - In-cell optical fingerprint display device (2024-12-03),

4. 12014000 - Active stylus receiving circuit with interpolated sampling points and touch panel system using active stylus pen (2024-06-18),

5. 11963427 - In-cell optical fingerprint display device (2024-04-16),

6. 11475701 - Fingerprint display device and integration integrated circuit and method for driving the same (2022-10-18),

7. 11462188 - Fingerprint display device and integration integrated circuit and method for driving the same (2022-10-04),

8. 11183096 - Driving system and method of touch display panel (2021-11-23),

9. 11114011 - Display driver circuit for high resolution and high frame rate and display device using the same (2021-09-07),

10. 11023071 - Driving system and method of touch display panel (2021-06-01),

11. 10964259 - AMOLED display driving device with switching frame rate (2021-03-30),

12. 10312304 - Organic light-emitting diode panel and manufacturing method using the same (2019-06-04),

13. 10152181 - Touch display device and driving method thereof (2018-12-11),

14. 10133380 - Touch display device and driving method thereof (2018-11-20),

15. 10116225 - Gate line drive circuit and display device having the same (2018-10-30),

Focaltech Systems Co., Ltd. is a leading technology company based in Hsinchu, Taiwan, specializing in advanced display technologies and touch solutions. The company focuses on the development and manufacturing of innovative products such as in-cell optical fingerprint displays, active stylus technology, and capacitive touch screens. Focaltech's expertise extends to AMOLED display driving and multi-touch sensing, positioning it at the forefront of the display and touch panel industry, catering to the evolving needs of consumer electronics.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

41 Patents

#107 in Hsinchu

#471 in Taiwan

#16,669 in the World

Hsinchu, Taiwan

Focaltech Systems Co., Ltd.

Forward Citations = 60

42 inventors:

Po-Sheng Shih (9 out of 125 patents)

Hsin-Mao Huang (6 out of 9 patents)

Yen-Lin Huang (5 out of 23 patents)

4. Chien-Ying Huang (4 out of 4 patents)

5. Shih-Hsin Huang (4 out of 4 patents)

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