Inventor · disambiguated record
Takahiro Kawakami
Also filed as: KAWAKAMI TAKAHIRO
144 granted patents·84 pending applications·1,081 citations·filing 1982–2025
99Inventor score
Top patents by PatentIndex Score
228 records- 0198US9978541B2Electric toolMAKITA CORP·Filed 2015·Granted May 22, 2018·16 cites·16 claims
- 0298US8945772B2Power storage deviceSEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Feb 3, 2015·30 cites·20 claims
- 0398US8883351B2Graphene and power storage device, and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2012·Granted Nov 11, 2014·43 cites·14 claims
- 0497US10888989B2Electrical deviceMAKITA CORP·Filed 2018·Granted Jan 12, 2021·9 cites·15 claims
- 0597US9954418B2Power toolMAKITA CORP·Filed 2015·Granted Apr 24, 2018·27 cites·20 claims
- 0697US9666326B2Lithium manganese oxide composite, secondary battery, and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted May 30, 2017·18 cites·10 claims
- 0797US9293236B2Lithium—manganese composite oxide, secondary battery, and electric deviceSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Mar 22, 2016·21 cites·10 claims
- 0897US5233099AProcess for producing alcoholKAO CORP·Filed 1991·Granted Aug 3, 1993·138 cites·10 claims
- 0996US10513005B2Power toolMAKITA CORP·Filed 2017·Granted Dec 24, 2019·9 cites·20 claims
- 1096US9385366B2Positive electrode for secondary battery, secondary battery, and method for fabricating positive electrode for secondary batterySEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Jul 5, 2016·18 cites·18 claims
- 1196US8927148B2Power storage deviceKAWAKAMI TAKAHIRO·Filed 2011·Granted Jan 6, 2015·16 cites·14 claims
- 1296US8541114B2Light emitting device and electronic appliance using the sameIWAKI YUJI·Filed 2012·Granted Sep 24, 2013·14 cites·8 claims
- 1396US8252434B2Light emitting device and electronic appliance using the sameIWAKI YUJI·Filed 2011·Granted Aug 28, 2012·17 cites·18 claims
- 1496US7883788B2Light emitting element, light emitting device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2010·Granted Feb 8, 2011·13 cites·24 claims
- 1595US9630310B2Electric toolMAKITA CORP·Filed 2015·Granted Apr 25, 2017·17 cites·22 claims
- 1695US9196638B2Light emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Nov 24, 2015·9 cites·16 claims
- 1795US8698022B2Seal structure for switch mechanism and electric power toolKAWAKAMI TAKAHIRO·Filed 2011·Granted Apr 15, 2014·18 cites·11 claims
- 1895US8597830B2Power storage deviceKAWAKAMI TAKAHIRO·Filed 2011·Granted Dec 3, 2013·24 cites·10 claims
- 1995US8017252B2Light emitting device and electronic appliance using the sameSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Sep 13, 2011·18 cites·14 claims
- 2094US11710823B2Particle, electrode, power storage device, electronic device, and method for manufacturing electrodeSEMICONDUCTOR ENERGY LAB·Filed 2022·Granted Jul 25, 2023·3 cites·9 claims
- 2194US7626198B2Nonlinear element, element substrate including the nonlinear element, and display deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Dec 1, 2009·21 cites·34 claims
- 2294US7521855B2Electronic appliance and light-emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Apr 21, 2009·16 cites·20 claims
- 2393US11043660B2Positive electrode active material including lithium cobaltate coated with lithium titanate and magnesium oxideSEMICONDUCTOR ENERGY LAB·Filed 2020·Granted Jun 22, 2021·2 cites·10 claims
- 2493US10741828B2Positive electrode active material including lithium cobaltate coated with lithium titanate and magnesium oxideSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Aug 11, 2020·2 cites·8 claims
- 2593US8815419B2Light emitting device and electronic appliance using the sameSEMICONDUCTOR ENERGY LAB·Filed 2013·Granted Aug 26, 2014·9 cites·24 claims
- 2693US2024405258A1Lithium ion secondary battery and method for manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2024·Application pending·0 cites
- 2792US10454102B2Lithium manganese composite oxide, secondary battery, electronic device, and method for forming layerSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Oct 22, 2019·3 cites·20 claims
- 2892US10155304B2Electric toolMAKITA CORP·Filed 2017·Granted Dec 18, 2018·8 cites·17 claims
- 2992US10084186B2Particle, electrode, power storage device, electronic device, and method for manufacturing electrodeSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Sep 25, 2018·3 cites·22 claims
- 3092US8048543B2Light emitting element, light emitting device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2011·Granted Nov 1, 2011·7 cites·18 claims
- 3191US11094927B2Positive electrode active material particle and manufacturing method of positive electrode active material particleSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Aug 17, 2021·2 cites·43 claims
- 3291US7790296B2Light emitting element, light emitting device, and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2006·Granted Sep 7, 2010·10 cites·16 claims
- 3391US7096973B2Power toolMAKITA CORP·Filed 2004·Granted Aug 29, 2006·54 cites·4 claims
- 3490US12463217B2Graphene and power storage device, and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2024·Granted Nov 4, 2025·0 cites·14 claims
- 3590US10461332B2Graphene and power storage device, and manufacturing method thereofSEMICONDUCTOR ENERGY LAB·Filed 2014·Granted Oct 29, 2019·3 cites·14 claims
- 3690US9539682B2Power tool having improved tool accessory securing mechanismMAKITA CORP·Filed 2014·Granted Jan 10, 2017·12 cites·1 claims
- 3790US8624257B2Light emitting deviceKAWAKAMI TAKAHIRO·Filed 2009·Granted Jan 7, 2014·9 cites·14 claims
- 3890US7274044B2Light emitting deviceSEMICONDUCTOR ENERGY LAB·Filed 2005·Granted Sep 25, 2007·16 cites·25 claims
- 3990US2023327095A1Positive Electrode Active Material, Method for Manufacturing Positive Electrode Active Material, and Secondary BatterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4089US10608248B2Lithium manganese composite oxide, secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2017·Granted Mar 31, 2020·2 cites·12 claims
- 4189US9899678B2Positive electrode active material of power storage device, power storage device, electrically propelled vehicle, and method for manufacturing power storage deviceSEMICONDUCTOR ENERGY LAB·Filed 2016·Granted Feb 20, 2018·5 cites·8 claims
- 4289US9882211B2Lithium-ion secondary battery and electronic deviceSEMICONDUCTOR ENERGY LAB·Filed 2015·Granted Jan 30, 2018·6 cites·24 claims
- 4389US9224968B2Light-emitting element, light-emitting device, and electronic applianceIWAKI YUJI·Filed 2012·Granted Dec 29, 2015·6 cites·16 claims
- 4489US2023343924A1Positive Electrode Active Material, Method for Manufacturing Positive Electrode Active Material, and Secondary BatterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4589US2023307622A1Positive Electrode Active Material, Method for Manufacturing Positive Electrode Active Material, and Secondary BatterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4689US2024038966A1Positive electrode for nonaqueous secondary battery, method for forming the same, nonaqueous secondary battery, and electrical deviceSEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4789US2023327075A1Positive Electrode Active Material, Method for Manufacturing Positive Electrode Active Material, and Secondary BatterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4889US2023299265A1Positive Electrode Active Material, Method for Manufacturing Positive Electrode Active Material, and Secondary BatterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 4989US2023327073A1Positive Electrode Active Material, Method for Manufacturing Positive Electrode Active Material, and Secondary BatterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
- 5089US2023290926A1Positive Electrode Active Material, Method for Manufacturing Positive Electrode Active Material, and Secondary BatterySEMICONDUCTOR ENERGY LAB·Filed 2023·Application pending·0 cites
Showing the top 50 of 228 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →