Chien-Yu Chen

Follow

Person

Taipei Hsien, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Traffic guide constructions at road intersections to provide smooth...
- Patent number 5,807,020
- Issue date Sep 15, 1998
- Chien-yuan Chen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
RAMP STRUCTURE FOR CONNECTING FLOORING
- Publication number 20130019418
- Publication date Jan 24, 2013
- Yao-Chung CHEN
- E04 - BUILDING
Information Patent Application
Raised floor with improved structure
- Publication number 20120031026
- Publication date Feb 9, 2012
- Yao-Chung Chen
- E04 - BUILDING
Information Patent Application
Raised access floor unit
- Publication number 20100224757
- Publication date Sep 9, 2010
- Yao-Chung Chen
- E04 - BUILDING