% Expired Patents = 85.7

Trademarks = 1

Forward Citations = 22

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8 inventors (with patents filed for the assignee):

Yung-Lieh Chien (3 out of 14 patents)

Zhi-Long Wu (3 out of 4 patents)

Yen-Chang Chiu (3 out of 16 patents)

4. Etsuo Ooba (3 out of 3 patents)

5. Fumiaki Karasawa (3 out of 3 patents)

6. Hiroshi Yajima (3 out of 3 patents)

7. Atsuomi Inukai (2 out of 2 patents)

8. Hideyuki Teraoka (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 8643606 - Method for scroll bar control on a touchpad and touchpad with scroll bar control function (2014-02-04),

2. 8378976 - Method for scroll bar control on a touchpad (2013-02-19),

3. 8378973 - Method for scroll bar control on a touchpad (2013-02-19),

4. 7262682 - Resistor element, stress sensor, and method for manufacturing them (2007-08-28),

5. 7151431 - Resistor element, stress sensor and method for manufacturing them (2006-12-19),

6. 7040182 - Stress sensor (2006-05-09),

7. 6993982 - Stress sensor for electronic devices (2006-02-07),

Company Overview

Elantech Devices Corporation is a leading provider of innovative touchpad solutions for laptops, tablets, and other devices. With a focus on user-friendly designs and cutting-edge technology, Elantech is dedicated to delivering high-quality products that enhance the user experience. From multi-touch gestures to palm rejection technology, Elantech's touchpads offer reliable performance and intuitive control for a wide range of applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#574 in Taipei

#1,846 in Taiwan

Taipei, Taiwan

Elantech Devices Corporation

Forward Citations = 22

8 inventors:

Yung-Lieh Chien (3 out of 14 patents)

Zhi-Long Wu (3 out of 4 patents)

Yen-Chang Chiu (3 out of 16 patents)

4. Etsuo Ooba (3 out of 3 patents)

5. Fumiaki Karasawa (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Elantech Devices Corporation. Retrieved from https://idiyas.com/company/elantech-devices

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

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]