Inventor · disambiguated record
Akira Naito
Also filed as: NAITO AKIRA
49 granted patents·3 pending applications·1,362 citations·filing 1980–2022
98Inventor score
Files withMAKITA CORP22MITSUBISHI ELECTRIC CORP10HITACHI LTD5MITSUBISHI GAS CHEMICAL CO3RENESAS TECH CORP3
Top patents by PatentIndex Score
52 records- 0195US10476284B2Battery system for a power tool, as well as battery holder therefor, charger, and charging systemMAKITA CORP·Filed 2016·Granted Nov 12, 2019·12 cites·21 claims
- 0295US9601729B2Battery pack for power toolMAKITA CORP·Filed 2015·Granted Mar 21, 2017·13 cites·19 claims
- 0395US5286407AOxygen absorbent composition and method of preserving article with sameMITSUBISHI GAS CHEMICAL CO·Filed 1991·Granted Feb 15, 1994·119 cites·6 claims
- 0495US5266055AConnectorMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Nov 30, 1993·125 cites·9 claims
- 0595US5168252ALine filter having a magnetic compound with a plurality of filter elements sealed thereinMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Dec 1, 1992·101 cites·4 claims
- 0694US9337453B2Battery pack for use with hand-held electric power toolMAKITA CORP·Filed 2012·Granted May 10, 2016·12 cites·20 claims
- 0794US5537087ASignal discriminatorMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jul 16, 1996·68 cites·1 claims
- 0893US9525293B2Battery charger having angled wall in battery receiving opening, and battery pack charging system and cordless power tool system including sameMAKITA CORP·Filed 2012·Granted Dec 20, 2016·19 cites·25 claims
- 0993US5867110AInformation reporting systemHITACHI LTD·Filed 1996·Granted Feb 2, 1999·354 cites·10 claims
- 1092US10096814B2Battery packMAKITA CORP·Filed 2016·Granted Oct 9, 2018·4 cites·12 claims
- 1192US9634503B2Battery chargersMAKITA CORP·Filed 2015·Granted Apr 25, 2017·13 cites·22 claims
- 1292US9577228B2Battery packs for electric toolsMAKITA CORP·Filed 2014·Granted Feb 21, 2017·8 cites·25 claims
- 1392US9537336B2Battery system for a power tool, as well as battery holder therefor, charger, and charging systemMAKITA CORP·Filed 2012·Granted Jan 3, 2017·17 cites·20 claims
- 1492US5378428AMethod of preserving article with an oxygen absorbent compositionMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Jan 3, 1995·79 cites·28 claims
- 1589US9866046B2Charger, battery pack charging system and cordless power tool systemMAKITA CORP·Filed 2016·Granted Jan 9, 2018·5 cites·19 claims
- 1689US8952581B2Electric toolsNAITO AKIRA·Filed 2012·Granted Feb 10, 2015·14 cites·19 claims
- 1785US11355983B2Electric motor and method of manufacturing such an electric motorMAKITA CORP·Filed 2019·Granted Jun 7, 2022·2 cites·20 claims
- 1885US7251500B2Microprocessor and mobile communication terminalRENESAS TECH CORP·Filed 2004·Granted Jul 31, 2007·23 cites·10 claims
- 1983US9614203B2Battery pack for electric power toolMAKITA CORP·Filed 2014·Granted Apr 4, 2017·3 cites·10 claims
- 2082US10913141B2Impact toolMAKITA CORP·Filed 2018·Granted Feb 9, 2021·3 cites·7 claims
- 2182US4324784AProcess for preventing growth of marine organisms on a substance using hydrogen peroxideMITSUBISHI GAS CHEMICAL CO·Filed 1980·Granted Apr 13, 1982·19 cites·6 claims
- 2281US5373277ASignal discriminatorMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Dec 13, 1994·29 cites·1 claims
- 2381US5153812AComposite LC elementMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Oct 6, 1992·34 cites·5 claims
- 2480US9412982B2Battery pack for electric power toolMAKITA CORP·Filed 2014·Granted Aug 9, 2016·2 cites·8 claims
- 2577US11695182B2Battery packMAKITA CORP·Filed 2020·Granted Jul 4, 2023·0 cites·21 claims
- 2676US5684970AIcon menu display apparatus and icon menu display methodHITACHI LTD·Filed 1996·Granted Nov 4, 1997·76 cites·23 claims
- 2775US7275090B2Log accumulation device with user accuracy setting means and pseudo-information generating meansHITACHI LTD·Filed 2001·Granted Sep 25, 2007·14 cites·5 claims
- 2874US5592605AMenu picture display method and apparatus for a data processorHITACHI LTD·Filed 1994·Granted Jan 7, 1997·61 cites·28 claims
- 2972US11323013B2Electric work machineMAKITA CORP·Filed 2020·Granted May 3, 2022·0 cites·12 claims
- 3072US6468379B1Thermal transfer recording medium and image forming methodTOPPAN PRINTING CO LTD·Filed 2000·Granted Oct 22, 2002·18 cites·18 claims
- 3171US10707455B2Battery packMAKITA CORP·Filed 2016·Granted Jul 7, 2020·3 cites·19 claims
- 3271US10249918B2Battery packs for electric toolsMAKITA CORP·Filed 2015·Granted Apr 2, 2019·1 cites·22 claims
- 3371US9695903B2Damper for compressor of cooling apparatus and refrigeratorHIRAI TSUYOKI·Filed 2012·Granted Jul 4, 2017·3 cites·15 claims
- 3470US7447521B2Microprocessor and mobile communication terminalRENESAS TECH CORP·Filed 2007·Granted Nov 4, 2008·2 cites·6 claims
- 3569US10862376B2Electric work machineMAKITA CORP·Filed 2019·Granted Dec 8, 2020·0 cites·16 claims
- 3668US5247610AMethod and apparatus for generating graphicsHITACHI LTD·Filed 1992·Granted Sep 21, 1993·39 cites·36 claims
- 3767US11201517B2Electric work machineMAKITA CORP·Filed 2019·Granted Dec 14, 2021·0 cites·19 claims
- 3865US12456897B2Power toolMAKITA CORP·Filed 2022·Granted Oct 28, 2025·0 cites·17 claims
- 3964US11973387B2Electric work machineMAKITA CORP·Filed 2020·Granted Apr 30, 2024·0 cites·20 claims
- 4062US6709542B1Thermal transfer recording medium, image-forming method and image-bearing bodyTOPPAN PRINTING CO LTD·Filed 2000·Granted Mar 23, 2004·5 cites·8 claims
- 4158USD578473SBattery chargerMAKITA CORP·Filed 2007·Granted Oct 14, 2008·10 cites·1 claims
- 4257US8262242B2Electric power toolsNISHIKIMI JUNICHI·Filed 2010·Granted Sep 11, 2012·1 cites·13 claims
- 4352US4645993APosition control methodMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Feb 24, 1987·16 cites·4 claims
- 4449US6225306B1Biphenyl derivatives and drug compositionWAKAMOTO PHARMA CO LTD·Filed 1999·Granted May 1, 2001·5 cites·9 claims
- 4545US5105120ADeflection yoke having a ferrite-containing plastic compositionMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Apr 14, 1992·11 cites·4 claims
- 4641US2003059585A1Thermal transfer recording medium and image forming methodTOPPAN PRINTING CO LTD·Filed 2002·Application pending·0 cites
- 4740US2013320604A1Viscous-Fluid-Enclosing Damper and Vibration-Damping CompositionPOLYMATECH JAPAN CO LTD·Filed 2013·Application pending·0 cites
- 4836US9221315B2Cylinder unitSHII HISATO·Filed 2012·Granted Dec 29, 2015·2 cites·10 claims
- 4935US4646354AArea measuring apparatus using televisionMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Feb 24, 1987·6 cites·11 claims
- 5033US2005147004A1Audio data recording/reproduction system and audio data recording medium thereforRENESAS TECH CORP·Filed 2004·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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