Inventor · disambiguated record
Junichi Toukairin
Also filed as: TOUKAIRIN JUNICHI
20 granted patents·3 pending applications·329 citations·filing 2005–2023
95Inventor score
Files withKOKI HOLDINGS CO LTD10HITACHI KOKI KK8OOMORI KATSUHIRO2NATIONAL UNIV CORP YAMAGATA UNIV1TOUKAIRIN JUNICHI1
Top patents by PatentIndex Score
23 records- 0197US8016048B2Electrical power toolHITACHI KOKI KK·Filed 2008·Granted Sep 13, 2011·49 cites·9 claims
- 0296US11980948B2Rotary toolKOKI HOLDINGS CO LTD·Filed 2020·Granted May 14, 2024·5 cites·14 claims
- 0396US8627900B2Electric power toolOOMORI KATSUHIRO·Filed 2009·Granted Jan 14, 2014·49 cites·20 claims
- 0495US10654153B2Impact toolHITACHI KOKI KK·Filed 2016·Granted May 19, 2020·17 cites·9 claims
- 0594US7213659B2Impact drillHITACHI KOKI KK·Filed 2005·Granted May 8, 2007·36 cites·11 claims
- 0693US7073605B2Impact drillHITACHI KOKI KK·Filed 2005·Granted Jul 11, 2006·33 cites·15 claims
- 0792US11205820B2Battery pack, electrical device using battery pack, and electrical device systemKOKI HOLDINGS CO LTD·Filed 2017·Granted Dec 21, 2021·12 cites·24 claims
- 0891USD610421SPortable electric driverHITACHI KOKI KK·Filed 2009·Granted Feb 23, 2010·43 cites·1 claims
- 0988US11577376B2Electric deviceKOKI HOLDINGS CO LTD·Filed 2018·Granted Feb 14, 2023·3 cites·17 claims
- 1088US9048699B2Power toolOOMORI KATSUHIRO·Filed 2009·Granted Jun 2, 2015·27 cites·11 claims
- 1187US10836019B2Work machineHITACHI KOKI KK·Filed 2016·Granted Nov 17, 2020·6 cites·10 claims
- 1287US8513838B2Electric power toolTOUKAIRIN JUNICHI·Filed 2010·Granted Aug 20, 2013·29 cites·15 claims
- 1382US11824169B2Battery pack, electrical device using battery pack, and electrical device systemKOKI HOLDINGS CO LTD·Filed 2017·Granted Nov 21, 2023·1 cites·19 claims
- 1482US8765280B2Battery pack and battery-driven power tool using the sameUEDA TAKASHI·Filed 2008·Granted Jul 1, 2014·6 cites·40 claims
- 1582US2024055674A1Battery pack, electric device using battery pack, and electric device systemKOKI HOLDINGS CO LTD·Filed 2023·Application pending·0 cites
- 1680US9669536B2Powered working machineHITACHI KOKI KK·Filed 2014·Granted Jun 6, 2017·11 cites·9 claims
- 1779US11837741B2Electrical apparatus using battery packKOKI HOLDINGS CO LTD·Filed 2018·Granted Dec 5, 2023·1 cites·14 claims
- 1869US11992920B2Power toolKOKI HOLDINGS CO LTD·Filed 2018·Granted May 28, 2024·1 cites·10 claims
- 1959US12459084B2Working deviceKOKI HOLDINGS CO LTD·Filed 2021·Granted Nov 4, 2025·0 cites·16 claims
- 2056US12290901B2Impact toolKOKI HOLDINGS CO LTD·Filed 2021·Granted May 6, 2025·0 cites·13 claims
- 2144US11389115B2Piezoelectric sensorNATIONAL UNIV CORP YAMAGATA UNIV·Filed 2020·Granted Jul 19, 2022·0 cites·4 claims
- 2242US2005196273A1Power toolHITACHI KOKI KK·Filed 2005·Application pending·0 cites
- 2341US2020212414A1Electric deviceKOKI HOLDINGS CO LTD·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →