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Hsinchu, Taiwan, China

Umax Data Systems, Inc.

USPTO Granted Patents = 157

Forward Citations = 821

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110 inventors (with patents filed for the assignee):

Yin-Chun Huang (21 out of 60 patents)

Chih-Wen Huang (17 out of 31 patents)

Tony H Chen (16 out of 30 patents)

4. Thomas Chang (13 out of 19 patents)

5. Chien-Chin Chan (10 out of 12 patents)

6. Jen-Shou Tseng (8 out of 28 patents)

7. Guang-Shang Chang (8 out of 10 patents)

8. Po-Hua Fang (7 out of 24 patents)

9. Shih-Zheng Kuo (6 out of 26 patents)

10. Chui-Kuei Chiu (6 out of 22 patents)

11. Chuan-Yu Hsu (6 out of 11 patents)

12. Chin-I Lin (6 out of 6 patents)

13. Chen-Ho Lee (5 out of 14 patents)

14. Wen-Tso Tseng (5 out of 5 patents)

15. Kou-Lung Tseng (5 out of 5 patents)

Core Competencies:

Scanning Speed Control

Image Processing

Optical Scanner

Document Sensing

Automatic Document Feeding

Light Source Mechanism

Multi-Directional Scanning

Optical Characteristics Compensation

Reflection Lens Support

Charge-Coupled Device

Scanning Resolution

Paper Collecting Device

157 patents: Sort by Forward Citations

1. 7248387 - Scanning speed control device and method (2007-07-24),

2. 6765615 - Apparatus for reducing exposing time of an image processing system (2004-07-20),

3. 6703604 - Scanning method for detecting documents (2004-03-09),

4. 6703597 - Method for resolving photoelectron coupling in staggered charge-coupled device (2004-03-09),

5. 6693730 - Increasing scanning resolution through driving system control (2004-02-17),

6. 6687027 - Parallel driving mechanism for optical chassis (2004-02-03),

7. 6680678 - Circuit layout arrangement for key switch signal recognition (2004-01-20),

8. 6678077 - Multi-direction opening lid structure (2004-01-13),

9. 6678074 - Changeable resolution apparatus and method for optical scanner (2004-01-13),

10. 6674921 - Method of image sampling and apparatus thereof (2004-01-06),

11. 6674560 - Optical lens of optical scanner (2004-01-06),

12. 6674552 - Scanner having synchronization dynamic random access memory scanner and its related memory access method (2004-01-06),

13. 6667818 - Multiple-field sensor for scanning system (2003-12-23),

14. 6661588 - Objective lens anti-shock adjustment device (2003-12-09),

15. 6661541 - Closed circuit control device for scanner (2003-12-09),

Umax Data Systems is a leading provider of data management solutions. With a focus on delivering high-quality services and innovative technology, we help businesses streamline their data processes, optimize their infrastructure, and maximize efficiency. Our expertise lies in data integration, data analytics, cloud computing, and cybersecurity. Visit our website to learn more about our comprehensive range of solutions and how we can help your business thrive in the digital era.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

157 Patents

#1 in Hsinchu, Taiwan

#152 in China

#5,096 in the World

Hsinchu, Taiwan, China

Umax Data Systems, Inc.

Forward Citations = 821

110 inventors:

Yin-Chun Huang (21 out of 60 patents)

Chih-Wen Huang (17 out of 31 patents)

Tony H Chen (16 out of 30 patents)

4. Thomas Chang (13 out of 19 patents)

5. Chien-Chin Chan (10 out of 12 patents)

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