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Hsinchu, Taiwan

Umax Data System Inc.

USPTO Granted Patents = 22

Forward Citations = 276

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21 inventors (with patents filed for the assignee):

Tony H Chen (7 out of 30 patents)

Thomas Chang (6 out of 19 patents)

Daniel Chen (4 out of 5 patents)

4. Hsi-Chin Chen (3 out of 6 patents)

5. Chi-Wen Lin (2 out of 8 patents)

6. Kou-Long Tseng (2 out of 5 patents)

7. Guang-Shang Chang (2 out of 10 patents)

8. Chien-Chin Chan (2 out of 12 patents)

9. Chih-Wen Pan (2 out of 7 patents)

10. Chin-Shui Lin (2 out of 5 patents)

11. Shih-Chung Chang (2 out of 2 patents)

12. Kevin Chen (2 out of 2 patents)

13. Alpha Tasy (2 out of 2 patents)

14. Chau-Hwang Chen (1 out of 1 patent)

15. Chi-Ming C Yu (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 6433826 - Adjusting mechanism for the lens set of an imaging system (2002-08-13),

2. 5815759 - Extended adjusting mechanism for the lens set of an imaging system (1998-09-29),

3. 5742409 - Apparatus for pixel insertion in optical scanners (1998-04-21),

4. 5652665 - Transparency adapter for flatbed scanners (1997-07-29),

5. 5633745 - To drive the optical system independently by CPU in flatbed scanners (1997-05-27),

6. D370893 - Image scanner (1996-06-18),

7. D370667 - Computer image converter (1996-06-11),

8. 5514864 - Photo electric feedback compensation controlled apparatus (1996-05-07),

9. D369149 - Computer video information converter (1996-04-23),

10. D369148 - Roller type gray scale scanner (1996-04-23),

11. D368257 - Transparency scanner (1996-03-26),

12. D367495 - Automatic document feeder (1996-02-27),

13. D365807 - Visual image scanner (1996-01-02),

14. D365341 - Visual image scanner cover (1995-12-19),

15. 5467465 - Two clock method for synchronizing a plurality of identical processors (1995-11-14),

Umax Data System Inc. is a leading provider of innovative technology solutions for businesses of all sizes. With over 20 years of experience in the industry, we specialize in data management, cybersecurity, cloud computing, and IT consulting services. Our team of experts is dedicated to helping our clients achieve their business goals through the use of cutting-edge technology. Contact us today to learn more about how we can help your business succeed.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

22 Patents

#155 in Hsinchu

#754 in Taiwan

#28,690 in the World

Hsinchu, Taiwan

Umax Data System Inc.

Forward Citations = 276

21 inventors:

Tony H Chen (7 out of 30 patents)

Thomas Chang (6 out of 19 patents)

Daniel Chen (4 out of 5 patents)

4. Hsi-Chin Chen (3 out of 6 patents)

5. Chi-Wen Lin (2 out of 8 patents)

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