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For the Inventor, By the Inventor

Taoyuan, Taiwan

Chia-Hung Liu

This inventor holds 32 USPTO granted patents and 4 published patent applications and 2 EPO patents, primarily in Keyboard Technology. Top assignees: Darfon Electronics Corporation, Darfon Electronics (Suzhou) Co., Ltd., Delta Electronics, Inc.. Active years: 2003-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chia-Hung Liu. Retrieved from https://idiyas.com/inventor/chia-hung-liu

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

Calculating rank
USPTO Granted Patents = 32 

% Patents Active = 81.3

 

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 145(Granted Patents)


Location History:

  • Taipei Hsien, TW (2006)
  • Jhongli, TW (2009)
  • Hsinchuang, TW (2012)
  • Zhongli, TW (2012)
  • Taipei, TW (2003 - 2020)
  • Taoyuan, TW (2005 - 2023)

Company Filing History:

goldMedal30 out of 429 
 
Darfon Electronics Corporation
 patents
silverMedal5 out of 40 
 
Darfon Electronics (Suzhou) Co., Ltd.
 patents
bronzeMedal1 out of 3,537 
 
Delta Electronics, Inc.
 patents
4. 1 out of 526 
 
Pegatron Corporation
 patents
where one patent can have more than one assignee

Years Active: 2003-2023

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Areas of Expertise:
Keyswitch Structure
Keyboard
Optical Keyswitch
Tactile Feedback
Battery Assembly
Input Device
Wireless Keyboard
Collapsible Keyboard
Casing
Radio-Frequency Switching
Foldable Keyboard
Index Bar Device
32 patents (USPTO):Explore Patents
1. 11838419 - Method and system for monitoring industrial devices (2023-12-05),
2. 11735380 - Keyswitch structure and keyboard (2023-08-22),
3. 11551888 - Keyswitch structure and keyboard (2023-01-10),
4. 11469474 - Battery assembly (2022-10-11),
5. 11223357 - Keyswitch (2022-01-11),
6. 11108393 - Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap (2021-08-31),
7. 11018667 - Optical keyswitch (2021-05-25),
8. 10937610 - Keyboard keyswitches having adjustable tactile feedback members (2021-03-02),
9. 10930451 - Keyswitch with adjustable tactile feedback (2021-02-23),
10. 10866640 - Adjusting method applied to a keyswitch for adjusting tactile feedback (2020-12-15),
11. 10795447 - Keyswitch with adjustable tactile feedback (2020-10-06),
12. 10637470 - Optical keyswitch (2020-04-28),
13. 10629972 - Radio-frequency switching circuit (2020-04-21),
14. 10572018 - Keyswitch with adjustable tactile feedback (2020-02-25),
15. 10535477 - Button switch and keyswitch thereof (2020-01-14),

Title: The Innovative Journey of Chia-Hung Liu

Introduction: Chia-Hung Liu, a talented inventor hailing from Taoyuan, Taiwan, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Chia-Hung Liu's latest patents include a cutting-edge smart home device that revolutionizes the way we interact with our living spaces, and a sustainable energy solution that aims to reduce carbon emissions.

Career Highlights: With a career spanning over two decades, Chia-Hung Liu has worked with top tech companies, leading research institutions, and universities to bring his ideas to life. His expertise in artificial intelligence and robotics has led to the development of several award-winning products.

Collaborations: Chia-Hung Liu has collaborated with renowned engineers, designers, and scientists from around the world to push the boundaries of technological innovation. His partnerships have resulted in successful projects that have garnered international acclaim.

Conclusion: Chia-Hung Liu's passion for innovation and dedication to creating a better future through technology make him a true pioneer in the field of inventions. His relentless pursuit of excellence continues to inspire the next generation of inventors worldwide.

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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