Inventor · disambiguated record
David Hyung Chin
Also filed as: CHIN DAVID · CHIN DAVID H · CHIN DAVID HYUNG
37 granted patents·9 pending applications·641 citations·filing 2002–2025
97Inventor score
Top patents by PatentIndex Score
46 records- 0198US7593000B1Touch-based authentication of a mobile device through user generated pattern creationCHIN DAVID H·Filed 2008·Granted Sep 22, 2009·318 cites·10 claims
- 0297US8174503B2Touch-based authentication of a mobile device through user generated pattern creationCHIN DAVID H·Filed 2008·Granted May 8, 2012·92 cites·16 claims
- 0395US11067362B1Sight with light reflection indicator for firearmsSTRIKE IND INC·Filed 2020·Granted Jul 20, 2021·10 cites·20 claims
- 0495US10935343B2Quick-detach handguard locking systemSTRIKE IND INC·Filed 2020·Granted Mar 2, 2021·13 cites·17 claims
- 0595US10054394B2Retractable buttstock for firearmsJEN YI HUEI·Filed 2017·Granted Aug 21, 2018·32 cites·8 claims
- 0695US9082117B2Gesture based authentication for wireless payment by a mobile electronic deviceCHIN DAVID H·Filed 2011·Granted Jul 14, 2015·36 cites·18 claims
- 0794US11385011B2Modular trigger control unit for firearmsSTRIKE IND INC·Filed 2020·Granted Jul 12, 2022·7 cites·15 claims
- 0893US11073358B2Quick-disconnect sling swivelSTRIKE IND INC·Filed 2020·Granted Jul 27, 2021·4 cites·20 claims
- 0986US8913028B2Mobile device authentication through touch-based gesturesCHIN DAVID H·Filed 2014·Granted Dec 16, 2014·9 cites·20 claims
- 1084US10337837B2Flip sight systems for firearmsSTRIKE IND·Filed 2017·Granted Jul 2, 2019·14 cites·20 claims
- 1183US9024890B2Comparison of an applied gesture on a touch screen of a mobile device with a remotely stored security gestureCHIN DAVID H·Filed 2011·Granted May 5, 2015·7 cites·23 claims
- 1281US10641573B2Lock mechanism for muzzle shroud and blast diffuser using the sameSTRIKE IND INC·Filed 2018·Granted May 5, 2020·10 cites·19 claims
- 1380US11175113B1Thumb rest as integral part of firearmSTRIKE IND INC·Filed 2021·Granted Nov 16, 2021·2 cites·18 claims
- 1475US11015895B2Firearm muzzle deviceSTRIKE IND INC·Filed 2020·Granted May 25, 2021·2 cites·15 claims
- 1574US12044494B2Modular trigger control unit, rail module and grip frame for firearmsSTRIKE IP LLC·Filed 2022·Granted Jul 23, 2024·1 cites·14 claims
- 1673US10883794B2Quick-detach mount for quick-detach accessories on firearmsSTRIKE IND INC·Filed 2019·Granted Jan 5, 2021·5 cites·18 claims
- 1769US12280095B2Tissue modifier and uses thereforFIBROSOFT PTE LTD·Filed 2022·Granted Apr 22, 2025·0 cites·26 claims
- 1869US11067361B2Stock assembly systems with mating interfacesSTRIKE IND INC·Filed 2020·Granted Jul 20, 2021·1 cites·20 claims
- 1969USD904545SShotgun handguardSTRIKE IND INC·Filed 2019·Granted Dec 8, 2020·10 cites·1 claims
- 2067US10731939B2Firearm muzzle deviceSTRIKE IND INC·Filed 2018·Granted Aug 4, 2020·4 cites·19 claims
- 2165USD910139SCarbine pistol buffer tubeCHIN DAVID·Filed 2018·Granted Feb 9, 2021·10 cites·1 claims
- 2260USD888869SFirearm dust coverCHIN DAVID·Filed 2018·Granted Jun 30, 2020·8 cites·1 claims
- 2359US10139174B2Slide cover plate assemblies for semi-automatic pistolsSTRIKE IND·Filed 2017·Granted Nov 27, 2018·3 cites·20 claims
- 2458USD898855SHandguard for firearmsCHIN DAVID·Filed 2019·Granted Oct 13, 2020·7 cites·1 claims
- 2558US2025276048A1Tissue Modifier And Uses ThereforFIBROSOFT PTE LTD·Filed 2025·Application pending·0 cites
- 2656US10393475B2Devices and Methods for converting collapsible firearm stocksSTRIKE IND INC·Filed 2018·Granted Aug 27, 2019·2 cites·18 claims
- 2756US2013259273A1Speaker Guard for Audio DevicesCHIN DAVID HYUNG·Filed 2012·Application pending·0 cites
- 2855US12385707B2Modular trigger control unit for firearmsSTRIKE IP LLC·Filed 2024·Granted Aug 12, 2025·0 cites·20 claims
- 2952USD917650SFlip sightCHIN DAVID·Filed 2019·Granted Apr 27, 2021·5 cites·1 claims
- 3052USD898853SFirearm bufferCHIN DAVID·Filed 2019·Granted Oct 13, 2020·5 cites·1 claims
- 3151USD905812SEnd plateCHIN DAVID·Filed 2018·Granted Dec 22, 2020·5 cites·1 claims
- 3251US10794662B2Stock assembly systems with mating interfacesSTRIKE IND·Filed 2018·Granted Oct 6, 2020·1 cites·20 claims
- 3351USD888181SMagazine extensionCHIN DAVID·Filed 2018·Granted Jun 23, 2020·5 cites·1 claims
- 3451US6867165B2Calcium hydroxide absorbent with rheology modifier and process involving sameGRACE W R & CO·Filed 2002·Granted Mar 15, 2005·5 cites·20 claims
- 3551US2021270564A1Ambidextrous Stabilization For FirearmsSTRIKE IND INC·Filed 2021·Application pending·0 cites
- 3649USD1013086SFirearm trigger control unitSTRIKE IND INC·Filed 2021·Granted Jan 30, 2024·1 cites·1 claims
- 3748USD904543SMagazine release buttonCHIN DAVID·Filed 2019·Granted Dec 8, 2020·4 cites·1 claims
- 3846US11035634B2Firearm end plate and anti-loose castle nutSTRIKE IND INC·Filed 2020·Granted Jun 15, 2021·0 cites·18 claims
- 3944US2019063869A1Ambidextrous Stabilization For FirearmsSTRIKE IND INC·Filed 2018·Application pending·0 cites
- 4042USD912188SHandguard for a pump action shotgunCHIN DAVID·Filed 2018·Granted Mar 2, 2021·3 cites·1 claims
- 4142US10794645B2Firearm end plate and anti-loose castle nutSTRIKE IND INC·Filed 2019·Granted Oct 6, 2020·0 cites·14 claims
- 4242US2012081282A1Access of an application of an electronic device based on a facial gestureCHIN DAVID H·Filed 2011·Application pending·0 cites
- 4341US2011251954A1Access of an online financial account through an applied gesture on a mobile deviceCHIN DAVID H·Filed 2011·Application pending·0 cites
- 4439US2013269233A1Exhangeable TriggersCHIN DAVID HYUNG·Filed 2012·Application pending·0 cites
- 4539US2022341690A1Adjustable spent cartridge casing deflectorLEE SHANYAO·Filed 2021·Application pending·0 cites
- 4639US2011300831A1Authentication of a mobile device by a patterned security gesture applied to dotted input areaCHIN DAVID H·Filed 2011·Application pending·0 cites
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