Inventor
WANG YONGCHANG
US15 patents
⚠️ This page may combine multiple inventors who share the name “WANG YONGCHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
I O CONTROLS CORP
6 patentsUS7046621B2May 16, 2006
Redundant multi-fiber optical ring network
I O CONTROLS CORP38 citations92
US9096168B2Aug 4, 2015
Control network for LED-based lighting system in a transit vehicle
I O CONTROLS CORP14 citations91
US8786191B2Jul 22, 2014
Control network for LED-based lighting system in a transit vehicle
I O CONTROLS CORP25 citations91
US9243759B2Jan 26, 2016
LED-based lighting system for retrofitting fluorescent lighting fixtures in a transit vehicle
I O CONTROLS CORP7 citations84
US7046622B2May 16, 2006
Multi-tier, hierarchical fiber optic control network
I O CONTROLS CORP9 citations73
US6965560B2Nov 15, 2005
Multi-tier, hierarchical fiber optic control network
I O CONTROLS CORP11 citations73