{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Fivetech Technology", "item": "https://www.patentleaderboard.com/company/fivetech-technology"}, {"@type": "ListItem", "position": 3, "name": "Hsien-Chang Chen", "item": "https://www.patentleaderboard.com/inventor/fl:hs_ln:chen-337"}]}

Home › Fivetech Technology › Hsien-Chang Chen

HC

Hsien-Chang Chen — 4 Patents

FTFivetech Technology: 3 patents #3 of 20Top 15%

YOYoung Optics: 1 patents #104 of 188Top 60%

New Taipei, TW: #3,198 of 10,472 inventorsTop 35%

Overall (All Time): #1,080,739 of 4,157,543Top 30%

4 Patents All Time

Hsien-Chang Chen has been granted 4 US patents while listed as an inventor at Fivetech Technology. The first was granted in 2003 and the most recent in August 2025. Hsien-Chang Chen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hsien-Chang Chen in New Taipei, TW.

Patents per Year

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12385511	Fastening apparatus	TING-JUI WANG	2025-08-12
12158177	Sliding positioning structure	TING-JUI WANG	2024-12-03
11286969	Fastening structure	TING-JUI WANG	2022-03-29
6604830	Color wheel	Hsien-Chi Chiu, Lang-Fu Tsai	2003-08-12

Hsien-Chang Chen — 4 Patents

Patents per Year

Issued Patents All Time

Patent Widget