Inventor
CHENG WEI-KANG
TW46 patents
⚠️ This page may combine multiple inventors who share the name “CHENG WEI-KANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FORMOSA EPITAXY INC
26 patentsUS9123868B2Sep 1, 2015
Light emitting element and illumination device thereof
FORMOSA EPITAXY INC16 citations92
US9741699B2Aug 22, 2017
Light emitting device
FORMOSA EPITAXY INC5 citations83
US9220135B2Dec 22, 2015
Light emitting component and light emitting device using same
FORMOSA EPITAXY INC8 citations83
US9166116B2Oct 20, 2015
Light emitting device
FORMOSA EPITAXY INC6 citations83
USD732488SJun 23, 2015
Partial semiconductor light emitting component
FORMOSA EPITAXY INC8 citations83
USD732487SJun 23, 2015
Partial semiconductor light emitting component
FORMOSA EPITAXY INC12 citations83
US9065022B2Jun 23, 2015
Light emitting apparatus
FORMOSA EPITAXY INC7 citations83
US9130129B2Sep 8, 2015
Light-emitting diode chip
FORMOSA EPITAXY INC5 citations82
USD731680SJun 9, 2015
LED unit
FORMOSA EPITAXY INC7 citations82
US9029898B2May 12, 2015
Light emitting diode and illumination device using same
FORMOSA EPITAXY INC6 citations73
US9661698B2May 23, 2017
Light emitting component and light emitting device using same
FORMOSA EPITAXY INC3 citations72
USD758329SJun 7, 2016
Partial semiconductor light emitting component
FORMOSA EPITAXY INC4 citations72
USD724552SMar 17, 2015
Partial semiconductor light emitting component
FORMOSA EPITAXY INC5 citations72
US9117589B2Aug 25, 2015
Capacitor structure and stack-type capacitor structure
FORMOSA EPITAXY INC2 citations63
USD731088SJun 2, 2015
LED unit
FORMOSA EPITAXY INC2 citations63
US8933469B2Jan 13, 2015
High-voltage light-emitting device
FORMOSA EPITAXY INC2 citations62
US8053797B2Nov 8, 2011
Light-emitting device with reflection layer and structure of the reflection layer
FORMOSA EPITAXY INC5 citations59
US9368483B2Jun 14, 2016
Illumination device capable of decreasing shadow of lighting effect
FORMOSA EPITAXY INC0 citations52
USD745194SDec 8, 2015
Base for a light emitting unit
FORMOSA EPITAXY INC0 citations52
USD731681SJun 9, 2015
LED unit
FORMOSA EPITAXY INC1 citations52
USD731089SJun 2, 2015
LED unit
FORMOSA EPITAXY INC0 citations52
USD731091SJun 2, 2015
LED unit
FORMOSA EPITAXY INC0 citations52
USD731090SJun 2, 2015
LED unit
FORMOSA EPITAXY INC1 citations52
US7635871B2Dec 22, 2009
Light emitting diode with higher illumination efficiency
FORMOSA EPITAXY INC0 citations52
US9324694B2Apr 26, 2016
Light-emitting diode
FORMOSA EPITAXY INC0 citations50
USD731087SJun 2, 2015
LED unit
FORMOSA EPITAXY INC0 citations50
EPISTAR CORP
11 patentsUS10247395B2Apr 2, 2019
Light emitting device
EPISTAR CORP5 citations83
US10670244B2Jun 2, 2020
Light emitting device
EPISTAR CORP2 citations72
US10306714B2May 28, 2019
Semiconductor component and light emitting device using same
EPISTAR CORP1 citations72
US10256371B2Apr 9, 2019
Light-emitting diode chip
EPISTAR CORP3 citations71
US11808436B2Nov 7, 2023
Light emitting apparatus
EPISTAR CORP0 citations62
US11515457B2Nov 29, 2022
Light-emitting device and light-emitting apparatus comprising the same
EPISTAR CORP0 citations62
US11255524B2Feb 22, 2022
Light emitting device
EPISTAR CORP0 citations62
US10644209B2May 5, 2020
Light-emitting device and light-emitting apparatus comprising the same
EPISTAR CORP1 citations62
US10340431B2Jul 2, 2019
Light-emitting device with metal bump
EPISTAR CORP0 citations52
US9876153B2Jan 23, 2018
Light-emitting device
EPISTAR CORP1 citations52
US10586895B2Mar 10, 2020
Light-emitting diode chip having a plurality of indentations
EPISTAR CORP0 citations50
MICREL INC
4 patentsUS8872556B1Oct 28, 2014
PLL frequency synthesizer with multi-curve VCO implementing closed loop curve searching using charge pump current modulation
MICREL INC10 citations83
US9048848B2Jun 2, 2015
PLL frequency synthesizer with multi-curve VCO implementing closed loop curve searching using charge pump current modulation
MICREL INC5 citations72
US9240796B2Jan 19, 2016
PLL frequency synthesizer with multi-curve VCO implementing closed loop curve searching
MICREL INC0 citations51
US9030241B2May 12, 2015
PLL frequency synthesizer with multi-curve VCO implementing closed loop curve searching
MICREL INC0 citations51