Inventor

Shih-Hsien Chang

Inventor
Taoyuan County, TW

Overview

32→
Patents
2005–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 32 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Fprimary
H01FMagnets28%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems25%
H05BElectric heating15%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
G09GArrangements or circuits for control of indicating devices using static means to present variable information4%
H02JElectric power networks4%
G01RMeasuring electric variables2%
G02BOptical elements, systems or apparatus2%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
H01JElectric discharge tubes or discharge lamps2%
PatentTitleYear
9,435,847'Method for testing special pattern and probe card defect in wafer testing'20168,648,686'Resonant transformer and resonant converter employing same'20148,569,967'LED backlight module and backlight driving circuit'20138,373,304'Current-sharing supply circuit for driving multiple sets of DC loads'20138,374,010'Power supply circuit and control method thereof'20138,334,745'Transformer having leakage inductance'20128,324,871'Integrated multi-inductor magnetic member and multi-loop power factor correction circuit having same'20128,310,217'Power conversion circuit for decentralizing input current'20128,194,417'Two-stage switching power supply'20128,111,015'Brightness-adjustable illumination driving system'20128,106,596'Light source driving circuit'20128,080,947'Current-sharing transformer and power supply circuit having such current-sharing transformer'20118,054,150'Magnetic element'20118,044,606'Power supply for supplying power to a lamp'20118,014,175'Switching power conversion circuit'20117,944,090'Multi-output power conversion circuit'20117,886,425'Method of manufacturing a transformer'20117,864,020'Composite transformer'20117,830,674'Single-stage switching power supply'20107,772,957'Structure of transformer'20107,633,367'Structure of transformer'20097,482,799'High-voltage detecting circuit for saving power in standby mode'20097,450,404'Switching power supply and ZVS method thereof'20087,345,564'Transformer structure'20087,301,427'Transformer having auxiliary winding coil for sensing magnetic flux balance and driving circuit using the same'20077,271,694'Structure of transformer'20077,221,252'Transformer'20077,218,199'Structure of transformer'20077,142,079'Transformer structure'20067,046,529'Voltage adapter capable of conserving power consumption under standby mode'20066,982,881'Current detecting circuit and power converter having the same'20066,980,449'Voltage detecting circuit and power converter having the same'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2014Patents assigned to DELTA ELECTRONICS INC (31)· patent assignee history
2005–2014Based in Taoyuan County, TW· patent location history
2009Based in Zhongli City, TW· patent location history
2011–2014Patents assigned to CHANG SHIH-HSIEN (11)· patent assignee history
2011–2013Patents assigned to KO PO-NIEN (4)· patent assignee history
2012–2014Patents assigned to TSAI HSIN-WEI (3)· patent assignee history
2012Patents assigned to CHEN YI-LIN (1)· patent assignee history
2016Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DELTA ELECTRONICS INC312005–2014
CHANG SHIH-HSIENself112011–2014
KO PO-NIEN42011–2013
TSAI HSIN-WEI32012–2014
CHEN YI-LIN12012
Locations
LocationPatentsSpan
Taoyuan County, TW302005–2014
Hsinchu, TW12016
Zhongli City, TW12009