Inventor · disambiguated record
Kazuyuki Sakakibara
Also filed as: SAKAKIBARA KAZUYUKI
48 granted patents·12 pending applications·3,636 citations·filing 1998–2020
99Inventor score
Top patents by PatentIndex Score
60 records- 0198US8222863B2Battery packSAKAKIBARA KAZUYUKI·Filed 2010·Granted Jul 17, 2012·36 cites·6 claims
- 0298US7993772B2Battery packs suitable for use with battery powered appliancesMAKITA CORP·Filed 2010·Granted Aug 9, 2011·18 cites·17 claims
- 0398US7572547B2Battery packs suitable for use with battery powered appliancesMAKITA CORP·Filed 2007·Granted Aug 11, 2009·27 cites·17 claims
- 0497US8741467B2Battery packs suitable for use with battery powered appliancesSAKAKIBARA KAZUYUKI·Filed 2013·Granted Jun 3, 2014·13 cites·20 claims
- 0597US8410756B2Battery pack having a sensor activated off switchSAKAKIBARA KAZUYUKI·Filed 2010·Granted Apr 2, 2013·48 cites·15 claims
- 0697US8097354B2Battery packs suitable for use with battery powered appliancesSAKAKIBARA KAZUYUKI·Filed 2011·Granted Jan 17, 2012·16 cites·14 claims
- 0797US7944175B2Battery charging systemsMAKITA CORP·Filed 2007·Granted May 17, 2011·1.4k cites·16 claims
- 0897US7879483B2Battery packs suitable for use with battery powered appliancesMAKITA CORP·Filed 2009·Granted Feb 1, 2011·24 cites·8 claims
- 0996US7227335B2Method and apparatus for diagnosing the condition of a rechargeable batteryMAKITA CORP·Filed 2004·Granted Jun 5, 2007·66 cites·16 claims
- 1096US6783886B1Battery pack with an improved cooling structureMAKITA CORP·Filed 2000·Granted Aug 31, 2004·107 cites·38 claims
- 1196US6566005B1Battery pack with an improved cooling structureMAKITA CORP·Filed 2000·Granted May 20, 2003·103 cites·13 claims
- 1296US6502949B1Adapters for use with an electric power toolMAKITA CORP·Filed 2001·Granted Jan 7, 2003·254 cites·18 claims
- 1395US8426051B2Battery packs suitable for use with battery powered appliancesSAKAKIBARA KAZUYUKI·Filed 2011·Granted Apr 23, 2013·9 cites·9 claims
- 1494US6577104B2Apparatus and methods for determining appropriate timing for recharging rechargeable batteriesMAKITA CORP·Filed 2002·Granted Jun 10, 2003·136 cites·21 claims
- 1594US6204640B1Battery charger and battery charging methodMAKITA CORP·Filed 2000·Granted Mar 20, 2001·127 cites·11 claims
- 1693US9893329B2Electronic power supply deviceMAKITA CORP·Filed 2015·Granted Feb 13, 2018·4 cites·21 claims
- 1793US9768625B2Battery pack, and method for controlling the sameMAKITA CORP·Filed 2015·Granted Sep 19, 2017·11 cites·17 claims
- 1893US9112360B2Power supply deviceGOTO MASAHIKO·Filed 2010·Granted Aug 18, 2015·32 cites·11 claims
- 1993US7238443B2Battery packs suitable for use with battery powered appliancesMAKITA CORP·Filed 2002·Granted Jul 3, 2007·35 cites·16 claims
- 2092US8113297B2Power tool with ergonomic handleSAKAKIBARA KAZUYUKI·Filed 2010·Granted Feb 14, 2012·22 cites·22 claims
- 2192US6537694B1Battery pack with improved heat radiation and sealingMAKITA CORP·Filed 1999·Granted Mar 25, 2003·101 cites·16 claims
- 2292US6124698ABattery chargerMAKITA CORP·Filed 1999·Granted Sep 26, 2000·177 cites·25 claims
- 2390US6563290B2Battery pack charging system and battery packMAKITA CORP·Filed 2001·Granted May 13, 2003·94 cites·22 claims
- 2489US10593494B2Switch device, electronic component, and battery systemDEXERIALS CORP·Filed 2016·Granted Mar 17, 2020·4 cites·23 claims
- 2587US10964495B2Switch device, electronic component, and battery systemDEXERIALS CORP·Filed 2016·Granted Mar 30, 2021·2 cites·33 claims
- 2687US6362600B2Battery charging deviceMAKITA CORP·Filed 2001·Granted Mar 26, 2002·71 cites·2 claims
- 2785US6433517B2Battery charger and charging methodMAKITA CORP·Filed 2001·Granted Aug 13, 2002·44 cites·35 claims
- 2885US6373228B1Battery charging deviceMAKITA CORP·Filed 2000·Granted Apr 16, 2002·59 cites·4 claims
- 2984US6204641B1Battery charger and charging methodMAKITA CORP·Filed 2000·Granted Mar 20, 2001·42 cites·6 claims
- 3081US7211347B2Battery packs having improved heat radiationMAKITA CORP·Filed 2002·Granted May 1, 2007·17 cites·10 claims
- 3181US6275009B1Battery charging deviceMAKITA CORP·Filed 2000·Granted Aug 14, 2001·55 cites·18 claims
- 3280US6433515B2Method of updating the charging characteristics of a charging device and a batteryMAKITA CORP·Filed 2001·Granted Aug 13, 2002·44 cites·5 claims
- 3380US6191560B1Battery chargerMAKITA CORP·Filed 1999·Granted Feb 20, 2001·87 cites·15 claims
- 3477US8638065B2Battery pack and battery pack systemSAKAKIBARA KAZUYUKI·Filed 2011·Granted Jan 28, 2014·6 cites·3 claims
- 3577US6476584B2Battery charger and battery charging methodMAKITA CORP·Filed 2001·Granted Nov 5, 2002·36 cites·26 claims
- 3676US6404167B1Battery charging deviceMAKITA CORP·Filed 2000·Granted Jun 11, 2002·34 cites·7 claims
- 3776US6278261B1Battery charging device and charging method thereofMAKITA CORP·Filed 2000·Granted Aug 21, 2001·36 cites·4 claims
- 3876US6225786B1Battery chargerMAKITA CORP·Filed 2000·Granted May 1, 2001·37 cites·4 claims
- 3974US6603288B2Battery chargers and charging methodsMAKITA CORP·Filed 2002·Granted Aug 5, 2003·22 cites·22 claims
- 4073US7045989B2Methods and apparatus for managing a plurality of charging devices via a networkMAKITA CORP·Filed 2002·Granted May 16, 2006·32 cites·22 claims
- 4172US6075347ABattery charger and charging methodMAKITA CORP·Filed 1999·Granted Jun 13, 2000·43 cites·2 claims
- 4267US7030590B2Apparatus for refreshing batteriesMAKITA CORP·Filed 2003·Granted Apr 18, 2006·23 cites·11 claims
- 4367US2020321175A1Switch device and protective deviceDEXERIALS CORP·Filed 2020·Application pending·0 cites
- 4466US7106027B2Battery changersMAKITA CORP·Filed 2003·Granted Sep 12, 2006·6 cites·4 claims
- 4562US6176351B1Double deck elevator allocation controlling apparatusTOSHIBA KK·Filed 1998·Granted Jan 23, 2001·26 cites·11 claims
- 4658US7656130B2Battery chargerMAKITA CORP·Filed 2006·Granted Feb 2, 2010·3 cites·8 claims
- 4758US2007182373A1Method and Apparatus For Diagnosing The Condition of A Rechargeable BatteryMAKITA CORP·Filed 2007·Application pending·0 cites
- 4856US2019066953A1Switch device and protective deviceDEXERIALS CORP·Filed 2016·Application pending·0 cites
- 4953US7091699B2Rechargeable battery devicesMAKITA CORP·Filed 2004·Granted Aug 15, 2006·8 cites·15 claims
- 5053US2013293197A1Battery packSAKAKIBARA KAZUYUKI·Filed 2013·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →