Inventor · disambiguated record
Yu-Chi Tsai
Also filed as: TSAI YU-CHI
28 granted patents·27 pending applications·115 citations·filing 2000–2025
95Inventor score
Files withTAIWAN SEMICONDUCTOR MFG CO LTD12TSAI YU-CHI9HON HAI PREC IND CO LTD6REALTEK SEMICONDUCTOR CORP4HOU KUEI-CHIH3
Top patents by PatentIndex Score
55 records- 0196US12172262B2Irregular mechanical motion detection systems and methodTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Dec 24, 2024·1 cites·20 claims
- 0295US8013708B2Planar transformer and winding arrangement system backgroundHON HAI PREC IND CO LTD·Filed 2010·Granted Sep 6, 2011·20 cites·9 claims
- 0382US11731232B2Irregular mechanical motion detection systems and methodTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted Aug 22, 2023·1 cites·20 claims
- 0482US8957547B2Uninterruptible power supplyCHANG KUO-HSIANG·Filed 2012·Granted Feb 17, 2015·7 cites·8 claims
- 0580US12362218B2Substrate holder and methods of useTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2024·Granted Jul 15, 2025·0 cites·20 claims
- 0680US12266553B2Annealing methodTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Apr 1, 2025·0 cites·20 claims
- 0780US10757914B1Feeding analysis systemUNIV NAT TAIWAN·Filed 2019·Granted Sep 1, 2020·6 cites·5 claims
- 0879US6481060B1Multi-purpose cap clipFiled 2001·Granted Nov 19, 2002·41 cites·4 claims
- 0978US11256312B2System and method for managing power to serverHONGFUJIN PREC ELECTRONICS TIANJIN CO LTD·Filed 2019·Granted Feb 22, 2022·2 cites·8 claims
- 1075US12157952B2Method of controlling chemical concentration in electrolyteTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Dec 3, 2024·0 cites·20 claims
- 1175US2025201604A1Annealing apparatus and method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 1272US7423510B2Transformer with high sustain voltage and driving device using the same for driving light source moduleHON HAI PREC IND CO LTD·Filed 2006·Granted Sep 9, 2008·5 cites·19 claims
- 1371US8489903B2System for maintaining power efficiency of power supply modules by selectively connecting and disconnecting power supply modules from a plurality of power supply modules based on the calculated power supply module output to input ratio of each moduleTSAI YU-CHI·Filed 2010·Granted Jul 16, 2013·3 cites·2 claims
- 1470US11668019B2Method of controlling chemical concentration in electrolyteTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 1568US12009246B2Substrate holder and methods of useTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2021·Granted Jun 11, 2024·0 cites·20 claims
- 1668US7244162B2Model stick planeTSAI YU-CHI·Filed 2005·Granted Jul 17, 2007·1 cites·9 claims
- 1768US6688937B1Semi-scale toy planeFiled 2000·Granted Feb 10, 2004·13 cites·5 claims
- 1865US2025306467A1Lithographic apparatus, inspection method, and method for performing lithography processTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2024·Application pending·0 cites
- 1964US2025243612A1Decorative Ribbon with Integrated LightingAspen Valley Christmas LLC·Filed 2024·Application pending·0 cites
- 2063US6240573B1Apparatus for dispensing detergentFiled 2000·Granted Jun 5, 2001·8 cites·5 claims
- 2162US11587807B2Annealing apparatus and method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted Feb 21, 2023·0 cites·20 claims
- 2258US12462554B2Fingerprint recognition device and fingerprint recognition methodREALTEK SEMICONDUCTOR CORP·Filed 2025·Granted Nov 4, 2025·0 cites·16 claims
- 2357US11280021B2Method of controlling chemical concentration in electrolyte and semiconductor apparatusTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted Mar 22, 2022·0 cites·16 claims
- 2456US2025252784A1Fake fingerprint recognition device and fake fingerprint recognition methodREALTEK SEMICONDUCTOR CORP·Filed 2025·Application pending·0 cites
- 2555US8214666B2Power managing systemTSAI YU-CHI·Filed 2009·Granted Jul 3, 2012·1 cites·9 claims
- 2655US6461212B1Automatic start control and clutch of toy engine powered by high pressure gasFiled 2000·Granted Oct 8, 2002·5 cites·4 claims
- 2753US12460797B1Christmas tree snap-fit lamp bodyTSAI YU CHI·Filed 2024·Granted Nov 4, 2025·0 cites·11 claims
- 2851US2023265586A1Fabric with woven integrated lightingAspen Valley Christmas LLC·Filed 2022·Application pending·0 cites
- 2950US6702639B1Stick fuselage of toy planeFiled 2002·Granted Mar 9, 2004·1 cites·2 claims
- 3050US2015313042A1Optimum power interface board power performance by server or storage systemHON HAI PREC IND CO LTD·Filed 2014·Application pending·0 cites
- 3149US8514570B2Power supply systemTSAI YU-CHI·Filed 2011·Granted Aug 20, 2013·0 cites·5 claims
- 3249US2007193313A1Anti-theft tagTSAI YU-CHI·Filed 2006·Application pending·0 cites
- 3349US2024161343A1Image processing method, system, and non-transitory computer readable storage mediumREALTEK SEMICONDUCTOR CORP·Filed 2023·Application pending·0 cites
- 3447US2019239484A1Dairy cowshed monitoring system and method thereofUNIV NAT TAIWAN·Filed 2018·Application pending·0 cites
- 3547US2014346879A1Power moduleHON HAI PREC IND CO LTD·Filed 2014·Application pending·0 cites
- 3646US2015076914A1Power conversion system and electronic device using sameHON HAI PREC IND CO LTD·Filed 2013·Application pending·0 cites
- 3746US2011106576A1Equipment management device and methodHON HAI PREC IND CO LTD·Filed 2010·Application pending·0 cites
- 3845US2003209013A1Piston air engineFiled 2003·Application pending·0 cites
- 3942US2007195252A1Electronic Ink DisplayTSAI YU-CHI·Filed 2006·Application pending·0 cites
- 4041US2013229060A1Multi power supply systemCHANG KUO-HSIANG·Filed 2012·Application pending·0 cites
- 4141US2023308741A1Image processing method and non-transitory computer readable storage mediumREALTEK SEMICONDUCTOR CORP·Filed 2022·Application pending·0 cites
- 4239US2013145182A1Power supply device for server systemsTSAI YU-CHI·Filed 2012·Application pending·0 cites
- 4338US11056365B2Fault detection method in semiconductor fabrication facilityTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2017·Granted Jul 6, 2021·0 cites·20 claims
- 4438US8803357B2Power supply system for rack serverHOU KUEI-CHIH·Filed 2011·Granted Aug 12, 2014·0 cites·11 claims
- 4538US2013103874A1Upgrade system for power supply unitTSAI YU-CHI·Filed 2012·Application pending·0 cites
- 4638US2015009560A1Stereoscopic display deviceCHUNGHWA PICTURE TUBES LTD·Filed 2013·Application pending·0 cites
- 4737US2013147270A1Power supply device for computing devicesHOU KUEI-CHIH·Filed 2012·Application pending·0 cites
- 4836US2020319688A1Device monitoring systemSHENZHEN FUGUI PREC IND CO LTD·Filed 2019·Application pending·0 cites
- 4936US2013254568A1Power supply device for serverHOU KUEI-CHIH·Filed 2012·Application pending·0 cites
- 5035US2013154376A1Uninterruptible power supplyHSUEH HSIAO-PING·Filed 2012·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Yu-Chi Tsai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →