P

Inventor

WU CHIH-HSIEN

TW60 patents
⚠️ This page may combine multiple inventors who share the name “WU CHIH-HSIEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNITY OPTO TECHNOLOGY CO LTD

25 patents
US8941328B2Jan 27, 2015

Variable power dimming control circuit

UNITY OPTO TECHNOLOGY CO LTD47 citations93
USD728480SMay 5, 2015

LED lamp holder

UNITY OPTO TECHNOLOGY CO LTD43 citations92
US8941323B1Jan 27, 2015

Ceiling lamp adopting non-separating driver circuit

UNITY OPTO TECHNOLOGY CO LTD23 citations92
US8710745B1Apr 29, 2014

LED drive circuit

UNITY OPTO TECHNOLOGY CO LTD10 citations84
US9072149B2Jun 30, 2015

LED driving device with open circuit protection and color temperature and brightness adjustment

UNITY OPTO TECHNOLOGY CO LTD18 citations83
US8047685B2Nov 1, 2011

Adjustable lighting device

UNITY OPTO TECHNOLOGY CO LTD9 citations83
USD771858SNov 15, 2016

LED lamp

UNITY OPTO TECHNOLOGY CO LTD11 citations82
USD739976SSep 29, 2015

Foldable desk lamp

UNITY OPTO TECHNOLOGY CO LTD10 citations82
USD794866SAug 15, 2017

LED bulb lamp cover

UNITY OPTO TECHNOLOGY CO LTD10 citations81
US7871180B2Jan 18, 2011

Structure of lighting bar assembly

UNITY OPTO TECHNOLOGY CO LTD13 citations80
US10645781B1May 5, 2020

High-voltage linear drive and memory dimming LED lighting device

UNITY OPTO TECHNOLOGY CO LTD3 citations73
US9674908B1Jun 6, 2017

Secondary-side bucking and current-stabilizing flyback power converter

UNITY OPTO TECHNOLOGY CO LTD5 citations72
US9544952B2Jan 10, 2017

Linear dimming LED driver circuit capable of adjusting color temperature

UNITY OPTO TECHNOLOGY CO LTD2 citations72
US9167645B1Oct 20, 2015

Driver circuit for improving LED flickers

UNITY OPTO TECHNOLOGY CO LTD5 citations72
US9985009B2May 29, 2018

Manufacturing method of LED light emitting device

UNITY OPTO TECHNOLOGY CO LTD2 citations71
US9841149B2Dec 12, 2017

LED lamp

UNITY OPTO TECHNOLOGY CO LTD2 citations71
USD771861SNov 15, 2016

LED lamp fixing structure

UNITY OPTO TECHNOLOGY CO LTD4 citations71
USD765278SAug 30, 2016

LED lamp

UNITY OPTO TECHNOLOGY CO LTD4 citations68
US10278255B1Apr 30, 2019

Light-emitting device with digital control of color temperature modulation and application thereof

UNITY OPTO TECHNOLOGY CO LTD3 citations65
US9198243B2Nov 24, 2015

LED driver circuit for supplying TRIAC holding current by using controllable current source

UNITY OPTO TECHNOLOGY CO LTD3 citations63
US9435491B2Sep 6, 2016

LED lead frame and lamp thereof

UNITY OPTO TECHNOLOGY CO LTD2 citations60
US9854630B1Dec 26, 2017

Flicker-free dimming circuit for non-point light source

UNITY OPTO TECHNOLOGY CO LTD1 citations51
US9544963B2Jan 10, 2017

Self-excited TRIAC dimming circuit

UNITY OPTO TECHNOLOGY CO LTD1 citations51
US9418523B1Aug 16, 2016

Intelligent wireless doorbell alarm system

UNITY OPTO TECHNOLOGY CO LTD1 citations51
US8766560B1Jul 1, 2014

Adaptive light emitting diode dimming driving circuit

UNITY OPTO TECHNOLOGY CO LTD1 citations51

WU CHIH-HSIEN

8 patents
USD768806SOct 11, 2016

Ultrasonic rat repellent

WU CHIH-HSIEN28 citations94
US8496349B2Jul 30, 2013

Uniform light emitting lamp structure

WU CHIH-HSIEN23 citations91
USD768805SOct 11, 2016

Ultrasonic rat repellent

WU CHIH-HSIEN12 citations84
US7786875B2Aug 31, 2010

Audio-activated soothing device

WU CHIH-HSIEN9 citations84
US8408734B2Apr 2, 2013

Structure of lighting device

WU CHIH-HSIEN17 citations83
US9027513B2May 12, 2015

Green-light device for driving mice away

WU CHIH-HSIEN2 citations63
US8896223B2Nov 25, 2014

Light emitting diode driving device

WU CHIH-HSIEN3 citations63
US8164226B2Apr 24, 2012

Radiator for power generator coil

WU CHIH-HSIEN2 citations60

IND TECH RES INST

4 patents
US10303157B2May 28, 2019

Additive manufacturing method for three-dimensional object

IND TECH RES INST2 citations70
US7126543B2Oct 24, 2006

Planar monopole antenna

IND TECH RES INST3 citations63
US7495616B2Feb 24, 2009

Omnidirectional ultra-wideband monopole antenna

IND TECH RES INST4 citations61
US7250919B2Jul 31, 2007

Antenna

IND TECH RES INST0 citations52

(unassigned)

3 patents
US5742478AApr 21, 1998

Radiating structure of a power converter

126 citations98
US6392549B1May 21, 2002

Portable mosquito repelling/killing device

70 citations96
US6822636B2Nov 23, 2004

Wireless control device for a computer monitor

8 citations74

WU CHIH HSIEN

2 patents
US7062057B2Jun 13, 2006

Rechargeable hearing aid

WU CHIH HSIEN56 citations96
US7270555B2Sep 18, 2007

Car interior LED lamp adapter electrical connector structure

WU CHIH HSIEN14 citations84

SUNREX TECHNOLOGY CORP

2 patents
US11221515B1Jan 11, 2022

Backlight module

SUNREX TECHNOLOGY CORP4 citations70
US11728106B2Aug 15, 2023

Keyboard key device

SUNREX TECHNOLOGY CORP0 citations49

QUANTA COMP INC

1 patent
US7730587B2Jun 8, 2010

Hinge apparatus

QUANTA COMP INC38 citations93

DIGISINE ENERGYTECH CO LTD

1 patent
USD640198SJun 21, 2011

Stator coil for electric generator

DIGISINE ENERGYTECH CO LTD12 citations74

LUKE HOK-SUM HORACE

1 patent
US8902107B2Dec 2, 2014

Mobile communication device

LUKE HOK-SUM HORACE4 citations73

CHANG JUNG-WEN

1 patent
US8179383B2May 15, 2012

Touch screen

CHANG JUNG-WEN2 citations58

DIGIBIONIC LIFESTYLE CO LTD

1 patent
US12464298B2Nov 4, 2025

Assistive listening system

DIGIBIONIC LIFESTYLE CO LTD0 citations50

TMY TECHNOLOGY INC

1 patent
US11862851B2Jan 2, 2024

Antenna device

TMY TECHNOLOGY INC0 citations49

Showing the top 50 of 60 patents by PatentIndex Score.