Inventor · disambiguated record
Hisato Osawa
Also filed as: OSAWA HISATO
21 granted patents·2 pending applications·19 citations·filing 2009–2023
90Inventor score
Top patents by PatentIndex Score
23 records- 0180US11685074B2Hand-held working machineYAMABIKO CORP·Filed 2020·Granted Jun 27, 2023·1 cites·9 claims
- 0279US11453110B2Electric power work deviceYAMABIKO CORP·Filed 2020·Granted Sep 27, 2022·1 cites·5 claims
- 0378US12083612B2Electric power work deviceYAMABIKO CORP·Filed 2020·Granted Sep 10, 2024·1 cites·3 claims
- 0477US11826893B2Electric power work deviceYAMABIKO CORP·Filed 2020·Granted Nov 28, 2023·1 cites·10 claims
- 0577US11141874B2Electric-power-driven working deviceYAMABIKO CORP·Filed 2020·Granted Oct 12, 2021·1 cites·6 claims
- 0669US8707568B2Top-handle working machineOSAWA HISATO·Filed 2010·Granted Apr 29, 2014·4 cites·2 claims
- 0768US9988971B2Air leading type two-stroke engine and intake system for same, and carburetorYAMABIKO CORP·Filed 2015·Granted Jun 5, 2018·1 cites·4 claims
- 0862US12337456B2Power working machineYAMABIKO CORP·Filed 2023·Granted Jun 24, 2025·0 cites·8 claims
- 0961US8832947B2Top-handle working machineYAMABIKO CORP·Filed 2013·Granted Sep 16, 2014·2 cites·4 claims
- 1060US10487777B2Air leading-type stratified scavenging two-stroke internal-combustion engineYAMABIKO CORP·Filed 2015·Granted Nov 26, 2019·0 cites·3 claims
- 1160US8894735B2Intake device for engineYAMABIKO CORP·Filed 2012·Granted Nov 25, 2014·1 cites·5 claims
- 1260US8468910B2Filler member for crankshaftOSAWA HISATO·Filed 2011·Granted Jun 25, 2013·2 cites·4 claims
- 1358US8397691B2Work apparatus with internal combustion engineOSAWA HISATO·Filed 2009·Granted Mar 19, 2013·3 cites·18 claims
- 1458US2023226715A1Electric Working MachineYAMABIKO CORP·Filed 2022·Application pending·0 cites
- 1555US12336464B2Driving apparatusYAMABIKO CORP·Filed 2022·Granted Jun 24, 2025·0 cites·5 claims
- 1654US11701769B2Electric working toolYAMABIKO CORP·Filed 2020·Granted Jul 18, 2023·0 cites·9 claims
- 1754US9769984B2Work apparatus with safety equipmentOSAWA HISATO·Filed 2010·Granted Sep 26, 2017·1 cites·4 claims
- 1853US10036304B2Leading-air type two-stroke air-cooled engineYAMABIKO CORP·Filed 2016·Granted Jul 31, 2018·0 cites·13 claims
- 1952US9970349B2Portable working machineYAMABIKO CORP·Filed 2016·Granted May 15, 2018·0 cites·13 claims
- 2051US12138771B2Electric working toolYAMABIKO CORP·Filed 2020·Granted Nov 12, 2024·0 cites·7 claims
- 2150US9850910B2Portable working machineYAMABIKO CORP·Filed 2016·Granted Dec 26, 2017·0 cites·5 claims
- 2241US10113517B2Air cleaner for stratified scavenging two-stroke internal combustion engineYAMABIKO CORP·Filed 2016·Granted Oct 30, 2018·0 cites·14 claims
- 2339US2016376979A1Stratified Scavenging Two-Stroke Internal Combustion Engine, Air Cleaner Of The Same, And Intake MethodYAMABIKO CORP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →