% Expired Patents = 100.0

Forward Citations = 94

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6 inventors (with patents filed for the assignee):

Hsueh-Hu Liao (2 out of 3 patents)

William P Herman (2 out of 7 patents)

Hsueh-Jean Liao (1 out of 1 patent)

4. Hsueh-Chin Liao (1 out of 1 patent)

5. T'sui Hsiao Hung (1 out of 1 patent)

6. Eric P Thomas (1 out of 5 patents)

6 patents: Sort by Forward Citations

1. 7497454 - Locking mechanism for a bicycle fork (2009-03-03),

2. 7314432 - Stepping exercise device (2008-01-01),

3. 7150339 - Electrically powered bicycle (2006-12-19),

4. 7134989 - Multifunction exercise machine (2006-11-14),

5. 6503177 - Pogo stick (2003-01-07),

6. 6481729 - Foldable scooter and method of use (2002-11-19),

Company Overview

HL Corporation is a global leader in the manufacturing and distribution of innovative technology solutions. With a focus on quality, efficiency, and customer satisfaction, we provide a wide range of products and services to meet the needs of our clients. Our commitment to excellence and dedication to continuous improvement make us the preferred choice for businesses worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#746 in Shenzhen

#4,471 in China

Shenzhen, China

Hl Corporation

Forward Citations = 94

6 inventors:

Hsueh-Hu Liao (2 out of 3 patents)

William P Herman (2 out of 7 patents)

Hsueh-Jean Liao (1 out of 1 patent)

4. Hsueh-Chin Liao (1 out of 1 patent)

5. T'sui Hsiao Hung (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hl Corporation. Retrieved from https://idiyas.com/company/hl

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]