Taichung, Taiwan

Chih-Yao Chang

This inventor holds 17 USPTO granted patents and 11 published patent applications, plus 10 CIPO patents and 1 EPO patent, primarily in Window Covering Technology. Top assignee: Nien Made Enterprise Co., Ltd.. Active years: 2007-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chih-Yao Chang. Retrieved from https://idiyas.com/inventor/chih-yao-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 = 17 

% Patents Active = 23.5

 


Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 167(Granted Patents)


Company Filing History:


Years Active: 2007-2020

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Light Blocking System
Vertical Blind
Window Covering
Cord Release
Slat Controller
Vane Assembly
Cordless Design
Bracket Assembly
Rolling Mechanism
Cord Lock Apparatus
Head Rail
Cord Controller
17 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Chih-Yao Chang

Introduction: Chih-Yao Chang, an accomplished inventor based in Taichung, Taiwan, holds 17 patents showcasing his innovative spirit and dedication to improving everyday products. His work primarily focuses on the design and functionality of window blinds, providing solutions that enhance user experience and efficiency.

Latest Patents: Among his recent contributions to the field are two notable patents. The first is a **Light Blocking System for Vertical Blinds**, which features an ingenious design that integrates a cover plate to seal the gap between the covering assembly and the headrail when in a closed state. This innovation allows for enhanced light control, making it an essential addition to modern vertical blinds.

The second patent, **Window Blind**, includes a sophisticated setup with horizontally suspended slats connected via ladder tapes. This invention ensures that when the ladder drum is rotated, the ladder tapes can be smoothly pulled, effectively closing the slats and providing superior shielding against external light.

Career Highlights: Chih-Yao Chang has made significant strides in the field of window coverings through his tenure at Nien Made Enterprise Co., Ltd., where he has served as a pivotal driving force behind numerous innovative projects. His deep understanding of both engineering principles and design aesthetics has allowed him to create functional yet stylish products.

Collaborations: Throughout his career, Chang has collaborated with fellow innovators such as Yu-Che Wen and Ming Nien. Their collective expertise has fostered a collaborative environment that encourages creativity and groundbreaking inventions within the company.

Conclusion: Chih-Yao Chang's inventive contributions, particularly in the realm of window blinds, underscore his commitment to advancing home accessory technology. With 17 patents to his name and a strong collaborative spirit, Chang continues to inspire future innovations in the industry. His work not only enhances the functionality of everyday products but also reflects a forward-thinking approach to design and utility.

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]
Loading…