Twin Han Technology Co., Ltd.

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 10

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4 inventors (with patents filed for the assignee):

Chih-Wei Hsu (1 out of 274 patents)

Ya-Chin King (1 out of 60 patents)

Liang-Wei Lai (1 out of 1 patent)

4. Po-Yao Hsieh (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6670656 - Current-amplifying logarithmic mode CMOS image sensor (2003-12-30),

2. 6448595 - Active photodiode CMOS image sensor structure (2002-09-10),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#1,500 in Taipei

#4,256 in Taiwan

Taipei, Taiwan

Twin Han Technology Co., Ltd.

Forward Citations = 10

4 inventors:

Chih-Wei Hsu (1 out of 274 patents)

Ya-Chin King (1 out of 60 patents)

Liang-Wei Lai (1 out of 1 patent)

4. Po-Yao Hsieh (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Twin Han Technology Co., Ltd.. Retrieved from https://idiyas.com/company/twin-han-technology-company

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]