% Expired Patents = 100.0

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Chih-Hsiang Lin (1 out of 35 patents)

Feng-Chih Chang (1 out of 5 patents)

Shu-Ling Yeh (1 out of 6 patents)

4. Ya-Lan Chuang (1 out of 3 patents)

5. Hsin-Ching Kao (1 out of 20 patents)

6. Pei-Jung Tsai (1 out of 1 patent)

7. Tang-Jung Wu (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 7871835 - Method for packaging light-emitting diode (2011-01-18),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

1 Patents

#198 in

#6,131 in Taiwan

TW

Topco Technologies Corp.

Forward Citations = 0

7 inventors:

Chih-Hsiang Lin (1 out of 35 patents)

Feng-Chih Chang (1 out of 5 patents)

Shu-Ling Yeh (1 out of 6 patents)

4. Ya-Lan Chuang (1 out of 3 patents)

5. Hsin-Ching Kao (1 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Topco Technologies Corp.. Retrieved from https://idiyas.com/company/topco-technologies

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]