% Expired Patents = 100.0

Forward Citations = 2

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9 inventors (with patents filed for the assignee):

Ping Chen (1 out of 50 patents)

Zhi Feng Cheng (1 out of 12 patents)

Chang-Fa Sun (1 out of 12 patents)

4. Lin-Sen Dong (1 out of 9 patents)

5. Yan-Xin Yu (1 out of 1 patent)

6. Ji-Wen Yang (1 out of 2 patents)

7. Li-Ping Yang (1 out of 1 patent)

8. Li Chang (1 out of 1 patent)

9. Lei Li (1 out of 60 patents)

1 patent: Sort by Forward Citations

1. 7984561 - Device for determining dimension of a workpiece (2011-07-26),

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USPTO Data Jan 1 1976 - Oct 13 2026

1 Patents

#1,842 in Hong Kong

#18,742 in China

Hong Kong, China

Fih (Hing Kong) Limted

Forward Citations = 2

9 inventors:

Ping Chen (1 out of 50 patents)

Zhi Feng Cheng (1 out of 12 patents)

Chang-Fa Sun (1 out of 12 patents)

4. Lin-Sen Dong (1 out of 9 patents)

5. Yan-Xin Yu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fih (Hing Kong) Limted. Retrieved from https://idiyas.com/company/fih-hing-kong-limited

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]