Taipei, Taiwan

Yuan F Chang

This inventor holds 9 USPTO granted patents. Top assignees: Gamemax Corporation, Gameax Corporation. Active years: 1995-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuan F Chang. Retrieved from https://idiyas.com/inventor/yuan-f-chang

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 3

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1995-2000

Loading Chart...
9 patents (USPTO):Explore Patents

Title: Innovations by Yuan F Chang

Introduction

Yuan F Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of card stacking and conveyance technology. With a total of 9 patents to his name, his work has greatly influenced the design and functionality of automatic card vending machines.

Latest Patents

One of his latest patents is the "Toothed wheel operated adjusting device for card stacking machines." This device is specifically designed for telephone cards and similar applications. It includes a receiving body, a conveyance device, and a press plate. The innovative design features a securing plate and a movable adjusting plate that work together to optimize card output. The adjusting rotary knob allows for precise adjustments, ensuring efficient operation.

Another significant patent is the "Card stacking and conveyance structure for automatic card vending." This structure is tailored for use in automatic card vending machines, including those for telephone cards. It incorporates a securing seat, a conveyance device, and a press plate. The mechanism is designed to ensure smooth card discharge, enhancing the user experience in vending operations.

Career Highlights

Throughout his career, Yuan F Chang has worked with various companies, including Gamemax Corporation and Gameax Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions for card handling technologies.

Collaborations

Due to space constraints, the details of collaborations will not be included.

Conclusion

Yuan F Chang's contributions to the field of card stacking and conveyance technology are noteworthy. His innovative patents demonstrate his commitment to improving the efficiency of automatic card vending machines. His work continues to influence the industry and inspire future innovations.

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…