Inventor · disambiguated record
Akiyoshi Kawahara
Also filed as: KAWAHARA AKIYOSHI
30 granted patents·12 pending applications·99 citations·filing 1993–2021
95Inventor score
Top patents by PatentIndex Score
42 records- 0195US7148442B2Power supply device for electric discharge machiningFANUC LTD·Filed 2005·Granted Dec 12, 2006·16 cites·4 claims
- 0289US6979794B1Wire cutting device of wire electric discharge machineFANUC LTD·Filed 2005·Granted Dec 27, 2005·8 cites·10 claims
- 0383US10512980B2Wire electrical discharge machining system and relative positional relationship calculating methodFANUC CORP·Filed 2018·Granted Dec 24, 2019·3 cites·10 claims
- 0479US7282660B2Machining fluid level detection device for wire cut electrical discharge machinesFANUC LTD·Filed 2006·Granted Oct 16, 2007·4 cites·8 claims
- 0575US10124432B2Electrical discharge machineFANUC CORP·Filed 2016·Granted Nov 13, 2018·2 cites·2 claims
- 0675US9950378B2Wire electric discharge machineFANUC CORP·Filed 2016·Granted Apr 24, 2018·2 cites·12 claims
- 0772US8975554B2Wire electric discharge machine capable of detecting machining stateKAWAHARA AKIYOSHI·Filed 2011·Granted Mar 10, 2015·4 cites·5 claims
- 0871US8680422B2Wire electrical discharge machine that adjusts flow rate of working fluid based on machining stateYOSHIDA MASAYUKI·Filed 2012·Granted Mar 25, 2014·4 cites·4 claims
- 0971US6924453B2Machining control method for wire-cut electric discharge machineFANUC LTD·Filed 2004·Granted Aug 2, 2005·8 cites·20 claims
- 1069US10086458B2Electrical discharge machine of which axis feeding properties are changeableFANUC CORP·Filed 2016·Granted Oct 2, 2018·1 cites·10 claims
- 1169US7054712B2Wire contact/noncontact boundary position detecting apparatus of wire cut discharge machineFANUC LTD·Filed 2003·Granted May 30, 2006·8 cites·6 claims
- 1268US10315263B2Wire electric discharge machine operating with constant inter-pole distanceFANUC CORP·Filed 2016·Granted Jun 11, 2019·1 cites·6 claims
- 1362US9314859B2Contact detection apparatus for wire electrical discharge machine with capability to vary applied gap voltageFANUC CORP·Filed 2013·Granted Apr 19, 2016·1 cites·11 claims
- 1460US9126277B2Power supply device for wire electric discharge machine capable of suppressing wire electrode consumptionMATSUNAGA TOMOAKI·Filed 2012·Granted Sep 8, 2015·2 cites·11 claims
- 1560US6130510AElectric discharge machining power source unit for electric discharge machineFANUC LTD·Filed 1998·Granted Oct 10, 2000·21 cites·8 claims
- 1658US9233429B2Wire-cut electric discharge machine having function of detecting upper surface of workpieceKAWAHARA AKIYOSHI·Filed 2011·Granted Jan 12, 2016·1 cites·3 claims
- 1752US9987698B2Wire electric discharge machine having shaft feed control system discriminating functionFANUC CORP·Filed 2013·Granted Jun 5, 2018·0 cites·10 claims
- 1851US9744608B2Wire electric discharge machineFANUC CORP·Filed 2014·Granted Aug 29, 2017·0 cites·8 claims
- 1951US2023390843A1Wire electric discharge machine and method of controlling wire electric discharge machineFANUC CORP·Filed 2021·Application pending·0 cites
- 2050US10639735B2Wire electrical discharge machineFANUC CORP·Filed 2018·Granted May 5, 2020·0 cites·15 claims
- 2150US2009120911A1Wire break detecting device for wire electric discharge machineFANUC LTD·Filed 2008·Application pending·0 cites
- 2250US2009101627A1Electric discharge machine having wire electrode cutting function, and wire electrode cutting methodFANUC LTD·Filed 2008·Application pending·0 cites
- 2348US9459611B2Wire electric discharge machine having peak current compensation functionFANUC CORP·Filed 2013·Granted Oct 4, 2016·0 cites·9 claims
- 2447US2024316666A1Remaining amount estimation device and remaining amount estimation methodFANUC CORP·Filed 2021·Application pending·0 cites
- 2546US10751820B2Wire electrical discharge machine with deterioration detection function for feederFANUC CORP·Filed 2016·Granted Aug 25, 2020·0 cites·6 claims
- 2646US2014014624A1Wire electric discharge machine with machining power source switchable for wire cuttingFANUC CORP·Filed 2013·Application pending·0 cites
- 2745USD998661SWire electric discharge machineFANUC CORP·Filed 2020·Granted Sep 12, 2023·1 cites·1 claims
- 2845US10265790B2Wire electric discharge machine having function of cleaning inside of machining tankFANUC CORP·Filed 2016·Granted Apr 23, 2019·0 cites·5 claims
- 2944US6844517B2Power supply device for electric discharge machineFANUC LTD·Filed 2003·Granted Jan 18, 2005·1 cites·2 claims
- 3044US2013161293A1Wire electric discharge machine dissolving intert gas in machining fluid and wire electric discharge machining method using the sameFANUC CORP·Filed 2012·Application pending·0 cites
- 3142US2018036815A1Electrical discharge machineFANUC CORP·Filed 2017·Application pending·0 cites
- 3241US10220458B2Machining power supply device for electric discharge machineFANUC CORP·Filed 2015·Granted Mar 5, 2019·0 cites·6 claims
- 3341US9815132B2Wire electric discharge machineFANUC CORP·Filed 2015·Granted Nov 14, 2017·0 cites·1 claims
- 3441US5637240AElectrical discharge machining method and electrical discharge machining apparatusFANUC LTD·Filed 1993·Granted Jun 10, 1997·9 cites·8 claims
- 3539US10376975B2Wire electric discharge machine with tension monitoring functionFANUC CORP·Filed 2015·Granted Aug 13, 2019·0 cites·4 claims
- 3638US2015202704A1Working fluid supply control apparatus for wire electric discharge machineFANUC CORP·Filed 2015·Application pending·0 cites
- 3737US2016067806A1Electronic discharge machineFANUC CORP·Filed 2015·Application pending·0 cites
- 3837US2004075966A1Electric discharge apparatusFANUC LTD·Filed 2003·Application pending·0 cites
- 3935US2002060528A1Contact detecting apparatus for electric discharge machineFANUC LTD·Filed 2001·Application pending·0 cites
- 4035US2002043518A1Electric discharge machining apparatusFiled 2001·Application pending·0 cites
- 4131US8432116B2Torque motor driving device for wire cut electrical discharge machinesFURUTA TOMOYUKI·Filed 2011·Granted Apr 30, 2013·0 cites·5 claims
- 4230US5486765AInsulating condition detecting apparatus for a wire-cut electrical discharge machineFANUC LTD·Filed 1993·Granted Jan 23, 1996·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →