Inventor · disambiguated record
Naoto Ichihashi
Also filed as: ICHIHASHI NAOTO
15 granted patents·10 pending applications·28 citations·filing 2009–2021
87Inventor score
Top patents by PatentIndex Score
25 records- 0185US9359937B2Two-cycle engine and engine tool comprising the sameICHIHASHI NAOTO·Filed 2011·Granted Jun 7, 2016·11 cites·15 claims
- 0278US8821131B2Air compressorYOKOTA TOMOYOSHI·Filed 2009·Granted Sep 2, 2014·6 cites·17 claims
- 0374US11953016B2BlowerKOKI HOLDINGS CO LTD·Filed 2020·Granted Apr 9, 2024·1 cites·13 claims
- 0474US8800505B2Engine power toolHITACHI KOKI KK·Filed 2013·Granted Aug 12, 2014·4 cites·15 claims
- 0572US9982665B2Air compressor with improved cooling performanceHITACHI KOKI KK·Filed 2014·Granted May 29, 2018·3 cites·12 claims
- 0664US9249715B2Air cooled engine and engine-powered work toolHITACHI KOKI KK·Filed 2014·Granted Feb 2, 2016·2 cites·12 claims
- 0759US9140175B2Engine and engine-operated working machineICHIHASHI NAOTO·Filed 2012·Granted Sep 22, 2015·1 cites·12 claims
- 0853US2023330760A1Work machineKOKI HOLDINGS CO LTD·Filed 2021·Application pending·0 cites
- 0948US10280827B2Engine and engine-driven working machineHITACHI KOKI KK·Filed 2016·Granted May 7, 2019·0 cites·9 claims
- 1048US9010284B2Engine and engine power toolHITACHI KOKI KK·Filed 2013·Granted Apr 21, 2015·0 cites·10 claims
- 1147US12283834B2Charging device of electric tool to reduce noiseKOKI HOLDINGS CO LTD·Filed 2020·Granted Apr 22, 2025·0 cites·15 claims
- 1247US2015078938A1Air compressorHITACHI KOKI KK·Filed 2014·Application pending·0 cites
- 1346US12485495B2Work machineKOKI HOLDINGS CO LTD·Filed 2021·Granted Dec 2, 2025·0 cites·15 claims
- 1445US10718243B2Engine and engine-driven working machineHITACHI KOKI KK·Filed 2016·Granted Jul 21, 2020·0 cites·12 claims
- 1544US2023173629A1Auxiliary device and work machine systemKOKI HOLDINGS CO LTD·Filed 2021·Application pending·0 cites
- 1642US2013180476A1Engine and engine working machineHITACHI KOKI KK·Filed 2013·Application pending·0 cites
- 1742US2021270291A1BlowerKOKI HOLDINGS CO LTD·Filed 2017·Application pending·0 cites
- 1841US12446744B2Vacuum cleanerKOKI HOLDINGS CO LTD·Filed 2020·Granted Oct 21, 2025·0 cites·11 claims
- 1941US2016237876A1Air-cooled engine and engine working machineHITACHI KOKI KK·Filed 2014·Application pending·0 cites
- 2040US11490543B2DC power supply deviceKOKI HOLDINGS CO LTD·Filed 2019·Granted Nov 1, 2022·0 cites·13 claims
- 2140US2019257237A1Engine blowerKOKI HOLDINGS CO LTD·Filed 2017·Application pending·0 cites
- 2238US2022125267A1CleanerKOKI HOLDINGS CO LTD·Filed 2019·Application pending·0 cites
- 2336US2013160740A1Engine and engine operating machine including the sameKAMIMURA JUNICHI·Filed 2011·Application pending·0 cites
- 2436US2010319671A1Engine-powered toolICHIHASHI NAOTO·Filed 2010·Application pending·0 cites
- 2534US10260453B2Two-cycle engine and engine work machineHITACHI KOKI KK·Filed 2015·Granted Apr 16, 2019·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →