Inventor
JENQ CHENG YIH
US8 patents
⚠️ This page may combine multiple inventors who share the name “JENQ CHENG YIH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JENQ CHENG YIH
4 patentsUS8917881B2Dec 23, 2014
Enclosure-less loudspeaker system
JENQ CHENG YIH6 citations69
US11044553B2Jun 22, 2021
Two-way quasi point-source wide-dispersion speaker
JENQ CHENG YIH0 citations58
US8249268B2Aug 21, 2012
Woofer-less and enclosure-less loudspeaker system
JENQ CHENG YIH3 citations58
US9191746B2Nov 17, 2015
Loudspeaker driver with dual electromagnet assemblies
JENQ CHENG YIH0 citations37
HYDROCARBON RESEARCH INC
3 patentsUS4446070AMay 1, 1984
Catalytic oxidation of polynuclear aromatic hydrocarbons
HYDROCARBON RESEARCH INC8 citations72
US4359592ANov 16, 1982
Multi-stage, adsorption process for separating organic liquids from water
HYDROCARBON RESEARCH INC12 citations72
US4431850AFeb 14, 1984
Low temperature hydrodealkylation of alkylated phenols
HYDROCARBON RESEARCH INC5 citations61