Inventor · disambiguated record
Yuji Kishima
Also filed as: KISHIMA YUJI
12 granted patents·1 pending application·189 citations·filing 2010–2022
89Inventor score
Top patents by PatentIndex Score
13 records- 0194USD800650SBattery packHITACHI KOKI KK·Filed 2016·Granted Oct 24, 2017·63 cites·1 claims
- 0294USD699672SRechargeable batteryHITACHI KOKI KK·Filed 2013·Granted Feb 18, 2014·78 cites·1 claims
- 0387US8513838B2Electric power toolTOUKAIRIN JUNICHI·Filed 2010·Granted Aug 20, 2013·29 cites·15 claims
- 0485US9917452B2Battery charger capable of efficiently cooling secondary battery in battery pack and charging circuit unit in battery chargerHITACHI KOKI KK·Filed 2014·Granted Mar 13, 2018·10 cites·17 claims
- 0580US9561548B2Electric toolHITACHI KOKI KK·Filed 2016·Granted Feb 7, 2017·3 cites·18 claims
- 0679US11211868B2DC power supply deviceKOKI HOLDINGS CO LTD·Filed 2018·Granted Dec 28, 2021·1 cites·14 claims
- 0769US9289832B2Electric toolKISHIMA YUJI·Filed 2012·Granted Mar 22, 2016·3 cites·9 claims
- 0867US9496536B2Backpack-type power supplyHITACHI KOKI KK·Filed 2013·Granted Nov 15, 2016·2 cites·18 claims
- 0953US11626807B2DC power supply deviceKOKI HOLDINGS CO LTD·Filed 2019·Granted Apr 11, 2023·0 cites·17 claims
- 1052US12405047B2Electric deviceKOKI HOLDINGS CO LTD·Filed 2022·Granted Sep 2, 2025·0 cites·13 claims
- 1147US11979039B2Charging device having two charging modesKOKI HOLDINGS CO LTD·Filed 2019·Granted May 7, 2024·0 cites·10 claims
- 1240US11490543B2DC power supply deviceKOKI HOLDINGS CO LTD·Filed 2019·Granted Nov 1, 2022·0 cites·13 claims
- 1338US2013264987A1Electric power toolUCHIDA HIROKI·Filed 2011·Application pending·0 cites
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