Inventor · disambiguated record
Kiyozumi Kokawa
Also filed as: KOKAWA KIYOZUMI
30 granted patents·4 pending applications·801 citations·filing 2000–2020
98Inventor score
Top patents by PatentIndex Score
34 records- 0196US9248566B2Tool housing case and subcaseMAKITA CORP·Filed 2013·Granted Feb 2, 2016·56 cites·16 claims
- 0296USD527971SPortable electric drillMAKITA CORP·Filed 2006·Granted Sep 12, 2006·73 cites·1 claims
- 0396USD525848SPortable electric drillMAKITA CORP·Filed 2005·Granted Aug 1, 2006·74 cites·1 claims
- 0495USD668869STool boxYAMAMOTO YUJI·Filed 2012·Granted Oct 16, 2012·66 cites·1 claims
- 0594USD606935SBattery packMAKITA CORP·Filed 2009·Granted Dec 29, 2009·69 cites·1 claims
- 0692USD706603SGuard for portable electric hammer drillMAKITA CORP·Filed 2013·Granted Jun 10, 2014·47 cites·1 claims
- 0792US8113297B2Power tool with ergonomic handleSAKAKIBARA KAZUYUKI·Filed 2010·Granted Feb 14, 2012·22 cites·22 claims
- 0892USD466779SPortable electric drillMAKITA CORP·Filed 2002·Granted Dec 10, 2002·48 cites·1 claims
- 0991USD508642SRechargeable impact driverMAKITA CORP·Filed 2003·Granted Aug 23, 2005·46 cites·1 claims
- 1089USD642518SBattery chargerMAKITA CORP·Filed 2011·Granted Aug 2, 2011·40 cites·1 claims
- 1188USD636996STool boxMAKITA CORP·Filed 2010·Granted May 3, 2011·39 cites·1 claims
- 1279US9906055B2ChargerMAKITA CORP·Filed 2013·Granted Feb 27, 2018·5 cites·4 claims
- 1377USD487570SBattery chargerMAKITA CORP·Filed 2003·Granted Mar 16, 2004·22 cites·1 claims
- 1476USD608375STable cutting deviceMAKITA CORP·Filed 2008·Granted Jan 19, 2010·21 cites·1 claims
- 1575USD686309SFanKOKAWA KIYOZUMI·Filed 2012·Granted Jul 16, 2013·22 cites·1 claims
- 1675USD554461SPortable electric driverMAKITA CORP·Filed 2006·Granted Nov 6, 2007·21 cites·1 claims
- 1774USD531476SConcrete vibrator bodyMAKITA CORP·Filed 2006·Granted Nov 7, 2006·20 cites·1 claims
- 1873USD605013SPortable electric grinderMAKITA CORP·Filed 2009·Granted Dec 1, 2009·18 cites·1 claims
- 1967USD522833SPortable electric circular sawMAKITA CORP·Filed 2005·Granted Jun 13, 2006·15 cites·1 claims
- 2065US2021028634A1ChargerMAKITA CORP·Filed 2020·Application pending·0 cites
- 2164USD661903STool boxKOKAWA KIYOZUMI·Filed 2010·Granted Jun 19, 2012·13 cites·1 claims
- 2258US10840717B2ChargerMAKITA CORP·Filed 2018·Granted Nov 17, 2020·0 cites·5 claims
- 2358USD551046SPortable power sawMAKITA CORP·Filed 2006·Granted Sep 18, 2007·9 cites·1 claims
- 2458USD530088SBagMAKITA CORP·Filed 2005·Granted Oct 17, 2006·10 cites·1 claims
- 2557USD551045SPortable electric sawMAKITA CORP·Filed 2006·Granted Sep 18, 2007·10 cites·1 claims
- 2657USD442140SBattery chargerMAKITA CORP·Filed 2000·Granted May 15, 2001·10 cites·1 claims
- 2752USD671094SRadioKOKAWA KIYOZUMI·Filed 2011·Granted Nov 20, 2012·7 cites·1 claims
- 2851USD587543SPortable electric driverMAKITA CORP·Filed 2008·Granted Mar 3, 2009·7 cites·1 claims
- 2951USD545657SPortable power sawMAKITA CORP·Filed 2004·Granted Jul 3, 2007·6 cites·1 claims
- 3051US2010129701A1Battery packsMAKITA CORP·Filed 2009·Application pending·0 cites
- 3150US8439192B2ToolboxGOTO MUNETOSHI·Filed 2009·Granted May 14, 2013·1 cites·16 claims
- 3250US2006175069A1Power toolMAKITA CORP·Filed 2006·Application pending·0 cites
- 3344US2013312382A1Lawn mowerMAKITA CORP·Filed 2013·Application pending·0 cites
- 3442USD539457SFlashlightMAKITA CORP·Filed 2006·Granted Mar 27, 2007·4 cites·1 claims
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