Thomas Chang

This inventor holds 19 USPTO granted patents, primarily in Image Scanning Technology. Top assignees: Umax Data Systems, Inc., Umax Data System Inc.. Active years: 1996-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Thomas Chang. Retrieved from https://idiyas.com/inventor/thomas-chang-njy77l0n

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 19

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 8

Forward Citations = 204(Granted Patents)

Company Filing History:

13 out of 157

Umax Data Systems, Inc.

patents

6 out of 22

Umax Data System Inc.

patents

Years Active: 1996-1999

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Areas of Expertise:

Image Scanner

Paper Delivering Scanner

Video Frame Grabber

Visual Image Scanner

Computer Video Converter

Automatic Document Feeder

Slide Scanner Cover

Transparency Scanner

Wave Shaped Scanner

Gray Scale Scanner

Mini Computer

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D413584 - Scanner (1999-09-07),

2. D405069 - Scanner (1999-02-02),

3. D405068 - Scanner (1999-02-02),

4. D405067 - Scanner (1999-02-02),

5. D397106 - Slide scanner cover (1998-08-18),

6. D397096 - Paper delivering scanner (1998-08-18),

7. D396704 - Visual image scanner (1998-08-04),

8. D394429 - Paper delivering scanner (1998-05-19),

9. D389468 - Wave shaped scanner (1998-01-20),

10. D388773 - Scanner (1998-01-06),

11. D388067 - Video frame grabber (1997-12-23),

12. D382857 - Mini computer video information converter (1997-08-26),

13. D377168 - Visual image scanner (1997-01-07),

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

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

Title: **The Innovations of Thomas Chang in Hsinchu, TW**

Introduction

Thomas Chang, an accomplished inventor based in Hsinchu, Taiwan, has made significant contributions to the field of technology, holding a total of 19 patents throughout his career. His innovative work has propelled advancements in various applications, notably in scanning technology.

Latest Patents

Among Thomas Chang's latest innovations is a sophisticated scanner. This invention showcases his dedication to enhancing technological efficiency and precision. His contributions continue to influence modern scanning techniques, improving both functionality and user experience.

Career Highlights

Throughout his career, Thomas Chang has worked with notable companies such as Umax Data Systems, Inc. and Umax Data System Inc. His role in these organizations has allowed him to develop and refine his ideas into tangible inventions that have garnered numerous patents. His persistent efforts in research and development have propelled advancements within the tech industry.

Collaborations

Thomas has collaborated with talented individuals like Tony H Chen and Jesse Wu, who have played pivotal roles in his innovative journey. These partnerships have been crucial in driving forward the development of new technologies and ideas.

Conclusion

Thomas Chang stands as a notable figure in the realm of technology innovation. His 19 patents underscore his ability to create impactful inventions, making him a prominent inventor in Hsinchu, Taiwan. As he continues to explore new technologies and collaborations, the future holds promising advancements that will further enhance our technological landscape.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]