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For the Inventor, By the Inventor

Taichung, Taiwan

James Chang

This inventor holds 7 USPTO granted patents. Top assignees: Door & Window Hardware Co., Hewlett-Packard Development Company, L.p., Other. Active years: 1984-2018.

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

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

USPTO Granted Patents = 7

% Patents Active = 57.1

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 69(Granted Patents)


Location History:

  • Fong-Yun, Taichung District, TW (1984)
  • Ta-Tao Li, Pei-Dou Cheng, Chang Hau Hsien, TW (1998)
  • Taichung, TW (2009 - 2012)
  • Taipei, TW (2002 - 2018)

Company Filing History:

goldMedal2 out of 18 
 
Door & Window Hardware Co.
 patents
silverMedal1 out of 27,679 
 
Hewlett-Packard Development Company, L.p.
 patents
bronzeMedal4 out of 834,513 
Other
 patents

Years Active: 1984-2018

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7 patents (USPTO):Explore Patents
1. 9873236 - Coated substrates (2018-01-23),
2. 8307497 - Soft-closing device for a sliding door (2012-11-13),
3. 8046873 - Spider hinge for a frameless glass door (2011-11-01),
4. 7637059 - Roller assembly for a frameless sliding glass door (2009-12-29),
5. 6338592 - Article connector (2002-01-15),
6. 5740599 - Method of making a cleaning scrubber (1998-04-21),
7. 4483378 - Feeding device of wood working machine (1984-11-20),

Title: Innovations by Inventor James Chang

Introduction

James Chang is a notable inventor based in Taichung, Taiwan. He has made significant contributions to the field of technology, holding a total of seven patents. His work focuses on creating innovative solutions that enhance functionality and user experience.

Latest Patents

One of his latest patents is for a coated substrate that provides both a soft touch and superhydrophobicity. This invention features a microstructure on at least one surface of the substrate, with a water-based soft touch coating and a solvent-based superhydrophobic coating applied in layers. Another significant patent is for a soft-closing device designed for sliding doors. This device includes a base, a cylinder, a slider, and a resilient member, all working together to ensure smooth and quiet operation.

Career Highlights

Throughout his career, James Chang has worked with various companies, including Door & Window Hardware Co. His innovative designs and patents have contributed to advancements in the hardware industry, showcasing his expertise and creativity.

Collaborations

James has collaborated with talented individuals such as Chih-Lun Hsieh and Sung-Hui Lin. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

James Chang is a distinguished inventor whose work has significantly impacted the technology landscape. His innovative patents and collaborations highlight his commitment to advancing the field.

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]
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