Ying-Chuan Yen

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Yuanlin Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Easy-to-assemble buckle
- Patent number 12,220,023
- Issue date Feb 11, 2025
- Ying-Chuan Yen
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Cover buckle structure
- Patent number 9,072,344
- Issue date Jul 7, 2015
- Ying-Chuan Yen
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
Cover Buckle Structure
- Publication number 20140367426
- Publication date Dec 18, 2014
- Ying-Chuan Yen
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC