Inventor
CHEN PO-YEN
US35 patents
⚠️ This page may combine multiple inventors who share the name “CHEN PO-YEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEP TECH CO LTD
7 patentsUS9775222B1Sep 26, 2017
Wireless detection and control device, and lighting device having the same
HEP TECH CO LTD10 citations82
US9609727B2Mar 28, 2017
Lighting device and lighting control system having the same
HEP TECH CO LTD2 citations70
US9629228B2Apr 18, 2017
Electric energy supply device with data bridge function and wireless lighting control system including the same
HEP TECH CO LTD0 citations39
US9455634B2Sep 27, 2016
DC-DC power conversion apparatus
HEP TECH CO LTD0 citations39
US9419525B2Aug 16, 2016
Isolated power conversion apparatus and method of converting power
HEP TECH CO LTD0 citations39
US9203297B2Dec 1, 2015
AC/DC converter and method of correcting power factor
HEP TECH CO LTD0 citations39
US8854844B2Oct 7, 2014
AC/DC converter with passive power factor correction circuit and method of correcting power factor
HEP TECH CO LTD0 citations39
IND TECH RES INST
7 patentsUS7825709B2Nov 2, 2010
Tri-state delay-typed phase lock loop
IND TECH RES INST2 citations60
US9257904B2Feb 9, 2016
Direct current conversion circuit
IND TECH RES INST1 citations51
US8995153B2Mar 31, 2015
Passive power factor correction circuit
IND TECH RES INST1 citations51
US9093898B2Jul 28, 2015
Buck converter with single stage
IND TECH RES INST0 citations41
US9054603B2Jun 9, 2015
DC to AC conversion circuit with resonant circuit
IND TECH RES INST0 citations41
US9343956B2May 17, 2016
Passive power factor correction circuit, electronic device applying the same and operation methods thereof
IND TECH RES INST0 citations40
US9190904B2Nov 17, 2015
DC conversion circuit
IND TECH RES INST0 citations40
DELTA ELECTRONICS INC
5 patentsUSD977139SJan 31, 2023
Sterilization device
DELTA ELECTRONICS INC9 citations85
USD977140SJan 31, 2023
Sterilization device
DELTA ELECTRONICS INC2 citations72
USD977141SJan 31, 2023
Sterilization device
DELTA ELECTRONICS INC1 citations62
US12474035B2Nov 18, 2025
Lighting device with regions of differing spectral ranges
DELTA ELECTRONICS INC0 citations49
US11974367B2Apr 30, 2024
Lighting device
DELTA ELECTRONICS INC0 citations47
PAN CHING-TSAI
4 patentsUS8724356B2May 13, 2014
Two-stage isolated DC/AC conversion circuit structure
PAN CHING-TSAI5 citations72
US9000609B2Apr 7, 2015
Extension cord with AC and DC outputs for coupling AC and DC sources
PAN CHING-TSAI4 citations70
US8716944B2May 6, 2014
Non-isolated AC/DC converter with power factor correction
PAN CHING-TSAI2 citations60
US8643294B2Feb 4, 2014
Single stage electronic ballast with power factor correction
PAN CHING-TSAI2 citations58
CHEN PO-YEN
3 patentsUS8278847B2Oct 2, 2012
LED mixture control device and controlling method thereof
CHEN PO-YEN2 citations60
US8193734B2Jun 5, 2012
Control circuit and method for backlight sources, and image display apparatus and lighting apparatus using the same
CHEN PO-YEN5 citations60
US8653428B2Feb 18, 2014
Solar-powered wireless communication module with daylight intensity measurement
CHEN PO-YEN1 citations48