Inventor · disambiguated record
Takuya Umemura
Also filed as: UMEMURA TAKUYA
32 granted patents·11 pending applications·413 citations·filing 2010–2025
97Inventor score
Top patents by PatentIndex Score
43 records- 0197US10396573B2Portable battery pack charging system, method for recharging a battery pack, and adapter thereforMAKITA CORP·Filed 2017·Granted Aug 27, 2019·23 cites·20 claims
- 0297US9537335B2Adapter for power tools, power tool system and method for wirelessly communicating maintenance information thereforFURUI NOBUYASU·Filed 2012·Granted Jan 3, 2017·91 cites·19 claims
- 0396US10587134B2Battery packMAKITA CORP·Filed 2019·Granted Mar 10, 2020·8 cites·28 claims
- 0496US10090692B2Charger for hand-held power tool, power tool system and method of charging a power tool batteryMAKITA CORP·Filed 2017·Granted Oct 2, 2018·17 cites·23 claims
- 0596US9786877B2Battery pack of electric power toolMAKITA CORP·Filed 2015·Granted Oct 10, 2017·15 cites·19 claims
- 0696US9780583B2Portable battery pack charging system, method for recharging a battery pack, and adapter thereforFURUI NOBUYASU·Filed 2012·Granted Oct 3, 2017·55 cites·26 claims
- 0795US9595839B2Adapter for power tools, power tool system and method of operating the sameFURUI NOBUYASU·Filed 2012·Granted Mar 14, 2017·33 cites·2 claims
- 0894US10124455B2Theft-deterrence system for power tool system, and adapter and method thereforITO KOSUKE·Filed 2012·Granted Nov 13, 2018·40 cites·25 claims
- 0994US9577450B2Charger for hand-held power tool, power tool system and method of charging a power tool batteryYOSHIKAWA SHUJI·Filed 2012·Granted Feb 21, 2017·34 cites·31 claims
- 1094US9337453B2Battery pack for use with hand-held electric power toolMAKITA CORP·Filed 2012·Granted May 10, 2016·12 cites·20 claims
- 1193US12100981B2Power tool system having receptacle for wireless communication adapterMAKITA CORP·Filed 2023·Granted Sep 24, 2024·1 cites·20 claims
- 1292US8912751B2Electric power tool systemSUZUKI HITOSHI·Filed 2011·Granted Dec 16, 2014·17 cites·17 claims
- 1391US9784795B2Charge control device, battery pack, and chargerMAKITA CORP·Filed 2015·Granted Oct 10, 2017·8 cites·16 claims
- 1490US11114870B2Power tool system and battery pack therefor having wireless communicatorMAKITA CORP·Filed 2020·Granted Sep 7, 2021·2 cites·21 claims
- 1589US10749360B2Power tool system and battery pack therefor having wireless communicatorMAKITA CORP·Filed 2019·Granted Aug 18, 2020·3 cites·20 claims
- 1689US10348110B2Battery packMAKITA CORP·Filed 2016·Granted Jul 9, 2019·8 cites·16 claims
- 1786US9748780B2Electric power tool systemMAKITA CORP·Filed 2014·Granted Aug 29, 2017·9 cites·20 claims
- 1886US9050715B2Battery pack of electric power toolUMEMURA TAKUYA·Filed 2011·Granted Jun 9, 2015·14 cites·5 claims
- 1986US2024380225A1Wireless communication adapter having self-contained power supplyMAKITA CORP·Filed 2024·Application pending·0 cites
- 2083US10177559B2Electrically-driven working apparatus and method for protecting battery of electrically-driven working apparatusMAKITA CORP·Filed 2015·Granted Jan 8, 2019·4 cites·16 claims
- 2181US10222424B2Charge control device, battery pack, and charger capable of setting limits of charging characteristicsMAKITA CORP·Filed 2017·Granted Mar 5, 2019·3 cites·15 claims
- 2278US9606188B2Measurement systemMAKITA CORP·Filed 2013·Granted Mar 28, 2017·5 cites·7 claims
- 2376US10298044B2Power tool for the use with a detachable battery pack that detects the temperature of the battery packMAKITA CORP·Filed 2016·Granted May 21, 2019·1 cites·21 claims
- 2475US11721990B2Power tool system having wireless communicatorMAKITA CORP·Filed 2021·Granted Aug 8, 2023·0 cites·27 claims
- 2570US10784676B2Electrically-driven working apparatus and method for protecting battery of electrically-driven working apparatusMAKITA CORP·Filed 2018·Granted Sep 22, 2020·1 cites·6 claims
- 2669US9941553B2Battery-connection system, battery pack, and method of forming temperature-detection circuitMAKITA CORP·Filed 2016·Granted Apr 10, 2018·2 cites·16 claims
- 2769US9819203B2Electric power tool systemMAKITA CORP·Filed 2016·Granted Nov 14, 2017·1 cites·20 claims
- 2867US9778321B2Charge control deviceMAKITA CORP·Filed 2014·Granted Oct 3, 2017·3 cites·8 claims
- 2963US11276887B2Power supplierMAKITA CORP·Filed 2019·Granted Mar 15, 2022·1 cites·28 claims
- 3063US9553466B2Electric power tool systemMAKITA CORP·Filed 2014·Granted Jan 24, 2017·1 cites·19 claims
- 3160US2025292543A1Image recognition device, storage medium, and image recognition methodDENSO CORP·Filed 2025·Application pending·0 cites
- 3258US2023369665A1Technique for adjusting charging operation or discharging operation of external device by battery packMAKITA CORP·Filed 2023·Application pending·0 cites
- 3357US9136721B2Power supply device for electric power toolUMEMURA TAKUYA·Filed 2011·Granted Sep 15, 2015·1 cites·10 claims
- 3453US2017160346A1Measurement systemMAKITA CORP·Filed 2017·Application pending·0 cites
- 3551US11925307B2Rechargeable cleaner having body controllerMAKITA CORP·Filed 2019·Granted Mar 12, 2024·0 cites·20 claims
- 3649US2012104991A1Electric power tool systemSUZUKI HITOSHI·Filed 2011·Application pending·0 cites
- 3748US11980335B2Rechargeable cleanerMAKITA CORP·Filed 2019·Granted May 14, 2024·0 cites·12 claims
- 3848US2014147718A1Hand-held power tools and battery packs thereforFURUI NOBUYASU·Filed 2012·Application pending·0 cites
- 3946US2011240320A1Electric power tool, and recording mediumMAKITA CORP·Filed 2011·Application pending·0 cites
- 4045US2011162862A1Electric power toolMAKITA CORP·Filed 2010·Application pending·0 cites
- 4142US2012037385A1Electric power tool powered by a plurality of single-cell battery packsSUZUKI HITOSHI·Filed 2011·Application pending·0 cites
- 4237US2015236532A1Charging device for battery pack for power toolMAKITA CORP·Filed 2015·Application pending·0 cites
- 4332US2015244186A1Power supply deviceMAKITA CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →