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For the Inventor, By the Inventor

Hsinchu, Taiwan

Cheng-Yi Chang

This inventor holds 21 USPTO granted patents and 21 published patent applications and 5 EPO patents, primarily in Wireless Communications. Top assignees: Mediatek Corporation, Princo Middle East Fze, Siliconware Precision Industries Co., Ltd.. Active years: 2005-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cheng-Yi Chang. Retrieved from https://idiyas.com/inventor/cheng-yi-chang

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

USPTO Granted Patents = 21 

% Patents Active = 66.7

 

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 230(Granted Patents)


Location History:

  • Taichung, TW (2005 - 2008)
  • Taichung Hsien, TW (2010)
  • Hsinchu, TW (2006 - 2024)

Company Filing History:

goldMedal7 out of 5,102 
 
Mediatek Corporation
 patents
silverMedal5 out of 20 
 
Princo Middle East Fze
 patents
bronzeMedal4 out of 826 
 
Siliconware Precision Industries Co., Ltd.
 patents
4. 2 out of 19 
 
Delta Optoelectronics, Inc.
 patents
5. 2 out of 988 
 
Mediatek Singapore Pte. Ltd.
 patents
6. 1 out of 34 
 
Princo Corp.
 patents

Years Active: 2005-2026

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Areas of Expertise:
Low-Power Listening
Wi-Fi Device
Transmission Control
Multi-Link Device
Dynamic Operation Mode
Wide Bandwidth
High-Throughput Antenna
Multi-User Downlink
Sensor Semiconductor
Wristwatch Structure
Multi-Layer Substrate
Flat Lamp Structure
21 patents (USPTO):Explore Patents
1. 12764656 - Low-power listen in wireless communications (2026-10-13),
2. 12628040 - Wi-fi device and associated transmission control method (2026-05-12),
3. 12567924 - Wireless fidelity multi-link device with dynamic operation mode switch and associated method (2026-03-03),
4. 12356447 - Control method employed by wireless fidelity multi-link device for dealing with multi-link coherent operation (2025-07-08),
5. 11943643 - Wide bandwidth transmission schemes (2024-03-26),
6. 11825460 - Extreme-high-throughput multi-link dynamic antenna switching in wireless communications (2023-11-21),
7. 11737141 - Method and apparatus of setting protection frames for protecting transmission of preamble punctured physical layer protocol data unit (2023-08-22),
8. 11658768 - Wireless fidelity multi-link device with dynamic operation mode switch and associated method (2023-05-23),
9. 11502795 - Multi-user downlink orthogonal frequency-division multiple access configuration method (2022-11-15),
10. 9709957 - Smart wristwatch structure (2017-07-18),
11. 9379089 - Electrical system and core module thereof (2016-06-28),
12. 9256209 - Wristwatch structure, electronic core for wristwatch, and method for manufacturing wristwatch (2016-02-09),
13. 9223296 - Wristwatch structure, electronic crown for wristwatch, and wristwatch having display (2015-12-29),
14. 8278562 - Multi-layer substrate and manufacturing method thereof (2012-10-02),
15. 8266797 - Method of manufacturing a multi-layer substrate (2012-09-18),

Title: The Innovations of Cheng-Yi Chang

Introduction

Cheng-Yi Chang is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of wireless communication, holding a total of 18 patents. His work focuses on enhancing the efficiency and performance of wireless fidelity devices.

Latest Patents

One of his latest patents is a control method employed by a wireless fidelity multi-link device for dealing with multi-link coherent operation. This method includes enabling a multi-link coherent operation mode on a first link for performing frame exchange processes using multiple spatial streams. Another notable patent involves wide bandwidth transmission schemes, where an access point and a station communicate effectively by monitoring frequency segments in an operating bandwidth.

Career Highlights

Cheng-Yi Chang has worked with several notable companies, including Princo Middle East Fze and Siliconware Precision Industries Co., Ltd. His experience in these organizations has allowed him to develop innovative solutions in wireless technology.

Collaborations

Cheng-Yi has collaborated with esteemed colleagues such as Chih-kuang Yang and Chien-Ping Huang. Their joint efforts have contributed to advancements in the field of wireless communication.

Conclusion

Cheng-Yi Chang's innovative work and numerous patents highlight his significant impact on wireless technology. His contributions continue to shape the future of communication devices.

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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