Inventor · disambiguated record
Hisakazu Okabayashi
Also filed as: OKABAYASHI HISAKAZU
14 granted patents·4 pending applications·220 citations·filing 2000–2022
92Inventor score
Top patents by PatentIndex Score
18 records- 0196US6783886B1Battery pack with an improved cooling structureMAKITA CORP·Filed 2000·Granted Aug 31, 2004·107 cites·38 claims
- 0290US8940427B2Rechargeable battery packNODA MASAFUMI·Filed 2011·Granted Jan 27, 2015·7 cites·8 claims
- 0388US10483776B2ChargerMAKITA CORP·Filed 2018·Granted Nov 19, 2019·8 cites·24 claims
- 0488US9203249B2Battery pack for electric power tool, control circuit, and programNODA MASAFUMI·Filed 2011·Granted Dec 1, 2015·17 cites·7 claims
- 0588US9186787B2Internal temperature estimation unit for battery for electric power tool, and apparatus for electric power toolNODA MASAFUMI·Filed 2011·Granted Nov 17, 2015·16 cites·7 claims
- 0686US9077054B2Battery pack for electric power tool with reduced difference in voltages of multiple cells constituting batteryHANAI HIROSHI·Filed 2012·Granted Jul 7, 2015·8 cites·10 claims
- 0785US9466860B2Battery packNODA MASAFUMI·Filed 2012·Granted Oct 11, 2016·10 cites·7 claims
- 0884US9250861B2Random number generating deviceMAKITA CORP·Filed 2013·Granted Feb 2, 2016·8 cites·4 claims
- 0979US11728669B2ChargerMAKITA CORP·Filed 2021·Granted Aug 15, 2023·1 cites·10 claims
- 1078US9083184B2Battery pack for electric power tool, and battery connection deviceOKABAYASHI HISAKAZU·Filed 2010·Granted Jul 14, 2015·9 cites·11 claims
- 1172US8885307B2Heat generation amount estimation unit for battery for electric power tool, and apparatus for electric power toolKOBAYAKAWA TADAHIKO·Filed 2011·Granted Nov 11, 2014·6 cites·15 claims
- 1267US7030590B2Apparatus for refreshing batteriesMAKITA CORP·Filed 2003·Granted Apr 18, 2006·23 cites·11 claims
- 1352US2023208179A1Battery chargerMAKITA CORP·Filed 2022·Application pending·0 cites
- 1448US11411408B2Charging system, battery pack, and chargerMAKITA CORP·Filed 2019·Granted Aug 9, 2022·0 cites·4 claims
- 1546US11283268B2Charger, charging system, and method for controlling charge currentMAKITA CORP·Filed 2020·Granted Mar 22, 2022·0 cites·15 claims
- 1646US2010019719A1Information rewriting device and recording mediumMAKITA CORP·Filed 2009·Application pending·0 cites
- 1743US2013108904A1Temperature detection device and battery packOKABAYASHI HISAKAZU·Filed 2012·Application pending·0 cites
- 1839US2013285600A1Charging apparatusISHIKAWA YOSHIHIRO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →