For the Inventor, By the Inventor

Enter assignee name

Twinhead International Corporation

USPTO Granted Patents = 25

% Expired Patents = 4.0

EPO Patents = 1

Trademarks = 3

Forward Citations = 321

Loading Chart...

Loading Chart...

21 inventors (with patents filed for the assignee):

Henry Yeh (6 out of 6 patents)

Chun-Chen Chao (2 out of 2 patents)

Chu-Kung Liu (2 out of 2 patents)

4. Shu Hsien Liao (2 out of 2 patents)

5. Shih-Ping Yeh (2 out of 2 patents)

6. Cheng-Hung Sung (1 out of 1 patent)

7. Chuen Shuh Hwang (1 out of 1 patent)

8. Tsou-Kai Lin (1 out of 1 patent)

9. Li-Chang Lai (1 out of 1 patent)

10. Shih-Yuan Chang (1 out of 1 patent)

11. Chih-Ho Hsieh (1 out of 4 patents)

12. Chih-Yuan Kao (1 out of 1 patent)

13. Shu-Shian Liau (1 out of 1 patent)

14. Wen-Chan Yu (1 out of 1 patent)

15. Chuan-Fa Chen (1 out of 1 patent)

Core Competencies:

Fixation Module

Portable Electronic Device

Audio Output Apparatus

Waterproof Structure

Motor Speed Detection

Cooling Apparatus

User Proximity Sensor

Shock-Absorbing Device

LCD Backlight Converter

Power Supply Device

Real Time-Clock

Peripheral Device Connection

25 patents: Sort by Forward Citations

1. 9339101 - Fixation module (2016-05-17),

2. 9155366 - Portable electronic device set (2015-10-13),

3. 8902608 - Securing device (2014-12-02),

4. 8036399 - Audio output apparatus capable of suppressing pop noise (2011-10-11),

5. 7851710 - Waterproof and dustproof structure (2010-12-14),

6. 7765390 - Activation system (2010-07-27),

7. 7580256 - Hook structure (2009-08-25),

8. 7262963 - Water-and-dust proof structure for a notebook computer heat sink (2007-08-28),

9. 6965208 - Motor speed detecting device for use between motor and system (2005-11-15),

10. 6906901 - Cooling apparatus for integrated circuit (2005-06-14),

11. 6802016 - User proximity sensor and signal processing circuitry for determining whether to power a computer on or off (2004-10-05),

12. 6424522 - Structure and circuit of input/output port bar to connect computer peripheral (2002-07-23),

13. 6275950 - Adjustable PCI asynchronous clock device (2001-08-14),

14. 6259589 - Protection apparatus applied to a telephone line (2001-07-10),

15. 6252768 - Shock-absorbing device for notebook computer module (2001-06-26),

Company Overview

Twinhead International Corporation, headquartered in Taipei, specializes in the development and manufacturing of rugged computing solutions. The company focuses on creating durable laptops and tablets designed for use in challenging environments, catering to sectors such as military, industrial, and field services. Twinhead's commitment to innovation is evident in its emphasis on reliability and performance, ensuring that its products meet the demanding needs of professionals across various industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

25 Patents

#152 in Taipei

#688 in Taiwan

#25,730 in the World

Twinhead International Corporation

Forward Citations = 321

21 inventors:

Henry Yeh (6 out of 6 patents)

Chun-Chen Chao (2 out of 2 patents)

Chu-Kung Liu (2 out of 2 patents)

4. Shu Hsien Liao (2 out of 2 patents)

5. Shih-Ping Yeh (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Twinhead International Corporation. Retrieved from https://idiyas.com/company/twinhead-international

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]

Loading…