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For the Inventor, By the Inventor

Taipei, Taiwan

Jung-Jen Chang

This inventor holds 54 USPTO granted patents and 1 EPO patent, primarily in Umbrella Design (CPC class 135 ). Top assignees: Fu Tai Umbrella Works, Ltd., Other. Active years: 1994-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jung-Jen Chang. Retrieved from https://idiyas.com/inventor/jung-jen-chang

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

Calculating rank
USPTO Granted Patents = 54

% Patents Active = 79.6


Average Co-Inventor Count = 2.0

ph-index = 16

Forward Citations = 734(Granted Patents)

Forward Citations (Not Self Cited) = 685(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Wu Ku Hsiang, Taipei Hsien, TW (1994 - 1995)
  • Taipei Hsien, JP (2004)
  • Taipei Hsien, TW (1995 - 2009)

Company Filing History:

goldMedal52 out of 58 
 
Fu Tai Umbrella Works, Ltd.
 patents
silverMedal3 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1994-2009

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Areas of Expertise:
Automatic Umbrella
Windproof Design
Safety Runner
Multiple-Fold Mechanism
Illuminating Grip
Lightweight Materials
Compact Structure
Ergonomic Features
Rib Assembly
Telescopic Tubes
Economic Construction
Golf Bag Umbrella
54 patents (USPTO):Explore Patents
1. 7591274 - Economically constructed and environmentally protective umbrella formed with one-piece frame (2009-09-22),
2. 7287538 - Illuminating umbrella grip (2007-10-30),
3. 7255119 - Slim safety runner and multiple-fold umbrella thereof (2007-08-14),
4. 7089950 - Umbrella operatively closed by directly pulling runner downwardly along a guiding sleeve (2006-08-15),
5. 6817371 - Multiple-fold automatic umbrella with smoothly wound multiple-fold rope (2004-11-16),
6. 6810895 - Umbrella having safety runner and strength-enhanced shaft tube (2004-11-02),
7. 6810890 - Obstruction-free golf bag umbrella (2004-11-02),
8. 6752509 - Illuminating umbrella grip detachably mounted with cassette LED illuminating unit (2004-06-22),
9. 6736151 - Anti-windforce rib assembly of multiple-fold umbrella (2004-05-18),
10. 6668845 - Multiple-fold automatic umbrella as ergonomically constructed and manipulated (2003-12-30),
11. 6626199 - Flattened and shortened umbrella (2003-09-30),
12. 6626197 - Multiple-fold automatic umbrella with smoothly wound multiple-rope (2003-09-30),
13. 6612320 - Economic double-story umbrella as conveniently anchored (2003-09-02),
14. 6571813 - Upwardly and downwardly actuated safety runner for foldable umbrella (2003-06-03),
15. 6497242 - Multiple-fold umbrella rib assembly having inner ribs of aluminum alloy and outer ribs of carbon-fiber-reinforced plastics (2002-12-24),

Title: The Innovative Journey of Inventor Jung-Jen Chang

Introduction: Jung-Jen Chang, a pioneering inventor hailing from Taipei Hsien, TW, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Jung-Jen Chang's latest patents showcase his continuous dedication to pushing the boundaries of technology and creativity, with a focus on improving everyday life through his inventions.

Career Highlights: Throughout his illustrious career, Jung-Jen Chang has been recognized for his exceptional problem-solving skills and innovative thinking. His inventions have not only revolutionized industries but have also improved the quality of life for many individuals around the globe.

Collaborations: Jung-Jen Chang has collaborated with leading research institutions, universities, and companies to further develop and bring his inventions to the market. His collaborative efforts have led to the successful implementation of cutting-edge technologies in various fields.

Conclusion: In conclusion, Jung-Jen Chang's passion for innovation and his relentless pursuit of excellence have solidified his position as a prominent figure in the world of inventions. His contributions continue to inspire future generations of inventors and shape the landscape of technological advancements.

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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