Inventor · disambiguated record
Lien-Hsing Chen
Also filed as: CHEN LIEN-HSING
17 granted patents·8 pending applications·30 citations·filing 2004–2023
89Inventor score
Files withP DUKE TECH CO LTD9POWER MATE TECHNOLOGY CO LTD7CHEN LIEN-HSING6LOGITECH EUROPE SA2POWER MATE TECH CO LTD1
Top patents by PatentIndex Score
25 records- 0190US11640884B2Bracket assembly for facilitating key switch replacementLOGITECH EUROPE SA·Filed 2021·Granted May 2, 2023·2 cites·18 claims
- 0285US10833587B1Control circuit having extended hold-up time and conversion system having extended hold-up timeP DUKE TECH CO LTD·Filed 2019·Granted Nov 10, 2020·6 cites·17 claims
- 0381US9148066B2Miniaturize voltage-transforming deviceCHEN LIEN-HSING·Filed 2012·Granted Sep 29, 2015·7 cites·8 claims
- 0475US2023253169A1Bracket assembly for a key switchLOGITECH EUROPE SA·Filed 2023·Application pending·0 cites
- 0566US7894214B1Power converter capable of lowering power wastage on standbyPOWER MATE TECHNOLOGY CO LTD·Filed 2009·Granted Feb 22, 2011·4 cites·10 claims
- 0664US8649190B2Power converter having high efficiency at low loadCHEN LIEN-HSING·Filed 2011·Granted Feb 11, 2014·3 cites·12 claims
- 0759US12015350B2Multi-phase converter including a duty cycle limiterP DUKE TECH CO LTD·Filed 2022·Granted Jun 18, 2024·0 cites·10 claims
- 0857US12334804B2Switching power converting apparatusP DUKE TECH CO LTD·Filed 2023·Granted Jun 17, 2025·0 cites·10 claims
- 0957US8817495B2Ultralow no-load conduction loss DC power converterCHEN LIEN-HSING·Filed 2011·Granted Aug 26, 2014·2 cites·7 claims
- 1056US8759673B2Receptacle for transformerCHEN LIEN-HSING·Filed 2011·Granted Jun 24, 2014·1 cites·14 claims
- 1154US11769625B2Transformer apparatus reducing magnetic field interferenceP DUKE TECH CO LTD·Filed 2020·Granted Sep 26, 2023·0 cites·10 claims
- 1251US12183497B2High-insulation multilayer planar transformer and circuit board integration thereofP DUKE TECH CO LTD·Filed 2020·Granted Dec 31, 2024·0 cites·6 claims
- 1351US2011059633A1Surface mount contactPOWER MATE TECHNOLOGY CO LTD·Filed 2009·Application pending·0 cites
- 1448US11705909B1Frequency-locked circuit for variable frequency topology and frequency-locked method thereofP DUKE TECH CO LTD·Filed 2022·Granted Jul 18, 2023·0 cites·11 claims
- 1545US11728739B1Power converterP DUKE TECH CO LTD·Filed 2022·Granted Aug 15, 2023·0 cites·11 claims
- 1644US2014097180A1Metal shell and plate member welding methodPOWER MATE TECHNOLOGY CO LTD·Filed 2012·Application pending·0 cites
- 1743US11418123B2Power supply apparatus suppressing transient voltageP DUKE TECH CO LTD·Filed 2020·Granted Aug 16, 2022·0 cites·7 claims
- 1843US2009135634A1Synchronous rectifier drive circuitPOWER MATE TECHNOLOGY CO LTD·Filed 2008·Application pending·0 cites
- 1941US7233505B2High efficiency flyback converter with primary, secondary, and tertiary windingsPOWER MATE TECHNOLOGY CO LTD·Filed 2004·Granted Jun 19, 2007·5 cites·4 claims
- 2040US2012187111A1Method for soldering electronic components to a circuit board by means of high-frequency solderingCHEN LIEN-HSING·Filed 2011·Application pending·0 cites
- 2139US2011248027A1Heating coilPOWER MATE TECHNOLOGY CO LTD·Filed 2010·Application pending·0 cites
- 2237US2014048322A1Electronic apparatus and insulation structure thereofPOWER MATE TECHNOLOGY CO LTD·Filed 2012·Application pending·0 cites
- 2335US2011277277A1Fastener for heat sinkCHEN LIEN-HSING·Filed 2010·Application pending·0 cites
- 2434US10559418B2Inverter structure and method for assembling the sameP DUKE TECH CO LTD·Filed 2017·Granted Feb 11, 2020·0 cites·7 claims
- 2522US9614363B2Under voltage protection devicePOWER MATE TECH CO LTD·Filed 2015·Granted Apr 4, 2017·0 cites·26 claims
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