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For the Inventor, By the Inventor

Hsinchu, Taiwan

Yen-Min Chang

This inventor holds 100 USPTO granted patents and 14 published patent applications, primarily in Wireless Charging Technology (CPC class G06F3-03543). Top assignees: Pixart Imaging Incorporated, Pixart Imaging Incorporation, R.o.c.. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yen-Min Chang. Retrieved from https://idiyas.com/inventor/yen-min-chang

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

USPTO Granted Patents = 100 

% Patents Active = 97.0

Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 230(Granted Patents)

Forward Citations (Not Self Cited) = 199(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hsinchu County, TW (2015 - 2023)
  • Hsin-Chu, TW (2013 - 2024)

Company Filing History:

goldMedal99 out of 1,506 
 
Pixart Imaging Incorporated
 patents
silverMedal1 out of 28 
 
Pixart Imaging Incorporation, R.o.c.
 patents

Years Active: 2013-2026

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Areas of Expertise:
Wireless Charging
Motion Detection
Gesture Recognition
Optical Encoder
Medical Monitoring
Bluetooth Communication
User Behavior Estimation
Virtual Reality Security
Body Temperature Monitoring
Indoor Navigation
Safety Monitoring
Automatic Focus
100 patents (USPTO):Explore Patents
1. 12727530 - Environment maintenance system and weeder robot (2026-09-08),
2. 12717424 - Optical navigation mechanism for providing smooth user experience in unstable and worse environment (2026-08-25),
3. 12380748 - Scheme for setting/using electronic device as keyless device of vehicle and adjusting devices in the vehicle (2025-08-05),
4. 12269405 - Multiple detection system (2025-04-08),
5. 12257514 - Game board device (2025-03-25),
6. 12188757 - Wireless charging device and operation method thereof (2025-01-07),
7. 11979738 - Schemes for effectively estimating user behavior to achieve a variety of automatic applications by detecting the angle of the transmitted signal to generate head pose direction estimation (2024-05-07),
8. 11964212 - Game board device (2024-04-23),
9. 11799699 - Optical encoder capable of identifying positions based on PWM signals (2023-10-24),
10. 11778427 - Group voice communication of walkie-talkie mode in Bluetooth communication system (2023-10-03),
11. 11775076 - Motion detecting system having multiple sensors (2023-10-03),
12. 11748464 - Virtual reality system with high security (2023-09-05),
13. 11657646 - Body temperature monitoring device and wearable accessary for measuring basal body temperature (2023-05-23),
14. 11651620 - Medical monitoring system employing thermal sensor (2023-05-16),
15. 11647351 - Schemes for effectively estimating user behavior to achieve a variety of automatic applications by detecting the angle of the transmitted signal to generate head pose direction estimation (2023-05-09),

Title: Yen-Min Chang: Pioneering Innovation in Technology

Introduction:

Yen-Min Chang, a distinguished inventor based in Hsin-Chu, Taiwan, has carved a name for himself as a trailblazer in the realm of technology and invention. With an impressive portfolio of 93 patents to his credit, Chang's relentless passion for innovation is evident in his groundbreaking work.

Latest Patents:

Chang's latest patents showcase his ingenuity and technical prowess. One such invention is the Game Board Device, a revolutionary tool designed for organizing and identifying game pieces of different types. Another notable creation is the Optical Encoder, which utilizes feature recognition technology to provide precise coding reference data without the need for dense patterns on the working surface.

Career Highlights:

Throughout his career, Chang has made significant contributions to the field of technology. He has worked with renowned companies such as Pixart Imaging Incorporated and Pixart Imaging Incorporation, R.o.c., where he has been instrumental in developing cutting-edge solutions.

Collaborations:

Collaboration is key to Chang's success, and he has had the privilege of working alongside talented individuals like Nien-Tse Chen and Hsin-Chia Chen. Together, they have pushed the boundaries of innovation and collectively achieved remarkable milestones in the world of technology.

Conclusion:

Yen-Min Chang's unwavering commitment to innovation and his penchant for excellence have cemented his status as a visionary inventor. His dedication to pushing the boundaries of technology continues to inspire and shape the landscape of invention.

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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