Inventor
CHENG CHUNG-CHIEH
TW19 patents
⚠️ This page may combine multiple inventors who share the name “CHENG CHUNG-CHIEH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELTA ELECTRONICS INC
12 patentsUSD645989SSep 27, 2011
LED lamp
DELTA ELECTRONICS INC8 citations82
USD869738SDec 10, 2019
Fixed luminaire
DELTA ELECTRONICS INC7 citations81
USD867650SNov 19, 2019
Fixed luminaire
DELTA ELECTRONICS INC13 citations81
US10998759B2May 4, 2021
Uninterruptible power supply with DC output
DELTA ELECTRONICS INC0 citations61
US10170925B2Jan 1, 2019
Intelligent uninterruptible power charging apparatus and method of operating the same
DELTA ELECTRONICS INC1 citations57
US9812876B2Nov 7, 2017
Wall socket with load detecting circuit
DELTA ELECTRONICS INC1 citations51
US11991840B2May 21, 2024
Electronic device
DELTA ELECTRONICS INC0 citations50
US10630185B2Apr 21, 2020
Power delivery device and control method thereof
DELTA ELECTRONICS INC0 citations48
US10044275B2Aug 7, 2018
Power delivery device and control method thereof
DELTA ELECTRONICS INC0 citations48
US10992152B2Apr 27, 2021
Uninterruptible power supply and method of operating the same
DELTA ELECTRONICS INC0 citations45
US12308753B2May 20, 2025
Method of controlling resonant push-pull converter
DELTA ELECTRONICS INC0 citations40
US10615637B2Apr 7, 2020
Uninterruptable power supply apparatus with shared electronic components
DELTA ELECTRONICS INC0 citations37