Inventor · disambiguated record
Ya-Chi Chen
Also filed as: CHEN YA-CHI
37 granted patents·16 pending applications·289 citations·filing 2003–2025
97Inventor score
Files withCHEN YA CHI24AMPAC ENTPR INC8CHIPMOS TECHNOLOGIES INC5MEDIATEK INC3RACER SPORTING GOODS CO LTD3
Top patents by PatentIndex Score
53 records- 0197US7642137B2Manufacturing method of chip packageCHIPMOS TECHNOLOGIES INC·Filed 2007·Granted Jan 5, 2010·83 cites·7 claims
- 0293US12005294B2Rope pull training deviceCHEN YA CHI·Filed 2022·Granted Jun 11, 2024·5 cites·8 claims
- 0393US7932531B2Chip packageCHIPMOS TECHNOLOGIES INC·Filed 2009·Granted Apr 26, 2011·29 cites·13 claims
- 0492US9889336B1Chain wheel locking assembly of an exercise apparatusCHEN YA CHI·Filed 2016·Granted Feb 13, 2018·23 cites·6 claims
- 0592US8319156B2System for heating a vapor cellBORWICK III ROBERT L·Filed 2009·Granted Nov 27, 2012·46 cites·20 claims
- 0690US12063989B2Chest protectorAMPAC ENTPR INC·Filed 2022·Granted Aug 20, 2024·2 cites·18 claims
- 0789US11833408B2Weight training device that can be transformed into a hand truckCHEN YA CHI·Filed 2022·Granted Dec 5, 2023·3 cites·8 claims
- 0887US9216314B2Hanging stand for a barbellCHEN YA-CHI·Filed 2014·Granted Dec 22, 2015·20 cites·4 claims
- 0984US12233299B1Weight training sled with enhanced load effectCHEN YA CHI·Filed 2023·Granted Feb 25, 2025·1 cites·5 claims
- 1084US10293241B2Catcher's leg guardAMPAC ENTPR INC·Filed 2017·Granted May 21, 2019·9 cites·21 claims
- 1184US9423298B2High energy laser target board apparatusTELEDYNE SCIENT & IMAGING LLC·Filed 2014·Granted Aug 23, 2016·6 cites·20 claims
- 1283US10782300B2GPC3-targeting drug which is administered to patient responsive to GPC3-targeting drug therapyCHUGAI PHARMACEUTICAL CO LTD·Filed 2013·Granted Sep 22, 2020·4 cites·21 claims
- 1383US8742835B2Switch circuit and charge pump using the same thereofALPHA IMAGING TECHNOLOGY CORP·Filed 2013·Granted Jun 3, 2014·10 cites·20 claims
- 1480US10758776B2Column-type combination climbing exercise machineCHEN YA CHI·Filed 2018·Granted Sep 1, 2020·6 cites·3 claims
- 1575US11058939B2Catcher's leg guardAMPAC ENTPR INC·Filed 2019·Granted Jul 13, 2021·1 cites·20 claims
- 1672US10249711B2FET with micro-scale device arrayTELEDYNE SCIENT & IMAGING LLC·Filed 2017·Granted Apr 2, 2019·2 cites·26 claims
- 1772US9137137B2Method and network device for loop detectionACCTON TECHNOLOGY CORP·Filed 2013·Granted Sep 15, 2015·3 cites·18 claims
- 1871US9320325B2Belt buckleRACER SPORTING GOODS CO LTD·Filed 2014·Granted Apr 26, 2016·3 cites·3 claims
- 1969US11388938B2Chest protectorAMPAC ENTPR INC·Filed 2019·Granted Jul 19, 2022·2 cites·10 claims
- 2068US7446400B2Chip package structure and fabricating method thereofCHIPMOS TECHNOLOGIES INC·Filed 2006·Granted Nov 4, 2008·4 cites·8 claims
- 2168US2025387657A1Terrain-adaptive weight training sled with free steeringCHEN YA CHI·Filed 2025·Application pending·0 cites
- 2266US8809088B2Structure of stacking chips and method for manufacturing the sameCHIPMOS TECHNOLOGIES INC·Filed 2013·Granted Aug 19, 2014·2 cites·5 claims
- 2359US10065061B2Exercise bike with an adjustable internal gear deviceCHEN YA CHI·Filed 2016·Granted Sep 4, 2018·1 cites·4 claims
- 2456USD778533SBeltRACER SPORTING GOODS CO LTD·Filed 2014·Granted Feb 14, 2017·8 cites·1 claims
- 2556USD706060SConvertible seatCHEN YA-CHI·Filed 2012·Granted Jun 3, 2014·9 cites·1 claims
- 2656US2025058163A1Terrain-adaptive weight training sled with free steeringCHEN YA CHI·Filed 2023·Application pending·0 cites
- 2756US2025050159A1Weight training sled with enhanced component force effectCHEN YA CHI·Filed 2023·Application pending·0 cites
- 2855US2025183856A1Output load aware compensation scheme for multi-stage amplifierMEDIATEK INC·Filed 2024·Application pending·0 cites
- 2954US10946246B2Interactive motion management device combined with human physiological information and sports informationCHEN YA CHI·Filed 2019·Granted Mar 16, 2021·0 cites·14 claims
- 3053US2021031073A1Instructions of using sport fitness equipment combined with human physiological information and sports informationCHEN YA CHI·Filed 2019·Application pending·0 cites
- 3152US10125795B2Adjustable fan damping apparatus for exerciserCHEN YA CHI·Filed 2016·Granted Nov 13, 2018·0 cites·3 claims
- 3251USD1030926SWeight training handleCHEN YA CHI·Filed 2022·Granted Jun 11, 2024·1 cites·1 claims
- 3351US2024313706A1Area-efficient compensation circuit for low-power multi-stage amplifierMEDIATEK INC·Filed 2024·Application pending·0 cites
- 3449US10555269B2Amplifier circuit having controllable output stageMEDIATEK INC·Filed 2018·Granted Feb 4, 2020·0 cites·20 claims
- 3549US9233268B2Metal sport and entertainment framework with multiple configurationsCHEN YA-CHI·Filed 2014·Granted Jan 12, 2016·0 cites·4 claims
- 3649US2020345091A1Dual Color BeltRACER SPORTING GOODS CO LTD·Filed 2019·Application pending·0 cites
- 3746US2020101346A1Multifunctional exercise fitness assisting deviceCHEN YA CHI·Filed 2018·Application pending·0 cites
- 3846US2020114238A1Structure of barbell hangerCHEN YA CHI·Filed 2018·Application pending·0 cites
- 3946US2012295776A1Tension exerciser with elastic limit functionCHEN YA-CHI·Filed 2012·Application pending·0 cites
- 4045US2014379058A1Apparatus and Method for Cooling Head InjuryAMPAC ENTPR INC·Filed 2013·Application pending·0 cites
- 4145US2017224530A1Apparatus and method for cooling head injuryAMPAC ENTPR INC·Filed 2017·Application pending·0 cites
- 4243US2020114191A1Auxiliary arm of barbell hangerCHEN YA CHI·Filed 2018·Application pending·0 cites
- 4343US2007093361A1Swaying damping device for a handle bar of fitness equipmentCHEN YA-CHI·Filed 2006·Application pending·0 cites
- 4442US7429234B2Oval track stepperYANG CHANG-HSIN·Filed 2006·Granted Sep 30, 2008·0 cites·3 claims
- 4542US2007267756A1Integrated circuit package and multi-layer lead frame utilizedCHIPMOS TECHNOLOGIES INC·Filed 2006·Application pending·0 cites
- 4636USD868383SChest protectorAMPAC ENTPR INC·Filed 2018·Granted Nov 26, 2019·2 cites·1 claims
- 4736US2013168057A1Modular heat shield and heat spreaderTELEDYNE SCIENT & IMAGING LLC·Filed 2012·Application pending·0 cites
- 4832US11760807B2GPC3-targeting drug which is administered to patient responsive to GPC3-targeting drug therapyCHUGAI PHARMACEUTICAL CO LTD·Filed 2015·Granted Sep 19, 2023·0 cites·10 claims
- 4932US7223208B1Exercise machine comprising two hand grips which are provided with a damping deviceCHEN YA-CHI·Filed 2003·Granted May 29, 2007·3 cites·1 claims
- 5031USD1029970SAdjustable weight training chairCHEN YA CHI·Filed 2021·Granted Jun 4, 2024·0 cites·1 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →