Inventor · disambiguated record
Koichi Arai
Also filed as: ARAI KOICHI
58 granted patents·22 pending applications·451 citations·filing 1984–2025
98Inventor score
Top patents by PatentIndex Score
80 records- 0197US11207617B2Shearing member and filtration deviceARAI MACHINERY CORP·Filed 2020·Granted Dec 28, 2021·5 cites·13 claims
- 0288US8579557B2DrillARAI KOICHI·Filed 2012·Granted Nov 12, 2013·14 cites·17 claims
- 0388US8291190B2Disk drive including a host interface supporting different sizes of data sectors and method for writing data theretoWATANABE YOSHIJU·Filed 2009·Granted Oct 16, 2012·10 cites·16 claims
- 0486US9412819B2Semiconductor device and manufacturing method thereofRENESAS ELECTRONICS CORP·Filed 2015·Granted Aug 9, 2016·4 cites·15 claims
- 0584US8524552B2Normally-off power JFET and manufacturing method thereofARAI KOICHI·Filed 2012·Granted Sep 3, 2013·6 cites·16 claims
- 0682US9184238B2Vertical-channel type junction SiC power FET and method of manufacturing sameRENESAS ELECTRONICS CORP·Filed 2014·Granted Nov 10, 2015·5 cites·19 claims
- 0782US5381282AInter-sample switching of servo control in direct access storage devicesIBM·Filed 1991·Granted Jan 10, 1995·34 cites·28 claims
- 0880US6506143B1Apparatus for finishing inside diameter of workHONDA MOTOR CO LTD·Filed 2000·Granted Jan 14, 2003·22 cites·20 claims
- 0980US5047148ARetained wire filter elementARAI KOICHI·Filed 1990·Granted Sep 10, 1991·48 cites·15 claims
- 1079US2024290881A1Semiconductor device and manufacturing method thereofRENESAS ELECTRONICS CORP·Filed 2024·Application pending·0 cites
- 1178US6597530B2Method and apparatus for disk drive seek controlIBM·Filed 2001·Granted Jul 22, 2003·11 cites·12 claims
- 1277US5712365AProcess for producing ethylene alpha-olefin copolymerTOSOH CORP·Filed 1996·Granted Jan 27, 1998·44 cites·4 claims
- 1377US2024204098A1Semiconductor device having semiconductor regions in epitaxial drift layerRENESAS ELECTRONICS CORP·Filed 2024·Application pending·0 cites
- 1476US10833188B2Manufacturing method of semiconductor device and semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2019·Granted Nov 10, 2020·1 cites·19 claims
- 1575US10293392B2Coiler device provided with chute guidePRIMETALS TECH JAPAN LTD·Filed 2015·Granted May 21, 2019·2 cites·6 claims
- 1674US4648706AImage reproduction apparatusCASIO COMPUTER CO LTD·Filed 1985·Granted Mar 10, 1987·15 cites·15 claims
- 1774US2023207689A1Manufacturing method of semiconductor device and semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2023·Application pending·0 cites
- 1873US8569132B2Semiconductor device and manufacturing method thereofMACHIDA NOBUO·Filed 2012·Granted Oct 29, 2013·5 cites·7 claims
- 1973US5186834AScraper filter systemARAI CORP·Filed 1991·Granted Feb 16, 1993·18 cites·19 claims
- 2073US2023077367A1Semiconductor device and manufacturing method thereofRENESAS ELECTRONICS CORP·Filed 2022·Application pending·0 cites
- 2172US10468496B2Manufacturing method for semiconductor device having an oxidation-resistant insulating film in a termination regionRENESAS ELECTRONICS CORP·Filed 2017·Granted Nov 5, 2019·1 cites·6 claims
- 2272US5665872ALDL receptor analog protein and DNA coding thereforKOWA CO·Filed 1996·Granted Sep 9, 1997·20 cites·7 claims
- 2369US11631764B2Manufacturing method of semiconductor device and semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2020·Granted Apr 18, 2023·0 cites·6 claims
- 2469US10854588B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Dec 1, 2020·1 cites·21 claims
- 2568US8581585B2Magnetic resonance imaging apparatus, initial state creation method, optimum intensity determination method, and magnetic resonance imaging methodARAI KOICHI·Filed 2009·Granted Nov 12, 2013·5 cites·14 claims
- 2665US9837395B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Dec 5, 2017·1 cites·18 claims
- 2765US2025169711A1Coil unitFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 2864US11364555B2DrillBIC TOOL CO LTD·Filed 2019·Granted Jun 21, 2022·1 cites·3 claims
- 2964US10534048B2Magnetic resonance imaging apparatus and SAR prediction methodHITACHI LTD·Filed 2013·Granted Jan 14, 2020·2 cites·10 claims
- 3064US2021217888A1Semiconductor device having a transistorRENESAS ELECTRONICS CORP·Filed 2021·Application pending·0 cites
- 3163US5190161ACylindrical element for filtering and separationARAI MACHINERY CORP·Filed 1991·Granted Mar 2, 1993·25 cites·21 claims
- 3263US2025208242A1Receive coil unit and magnetic resonance imaging apparatusFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 3363US2025208239A1Coil unit, magnetic resonance imaging apparatus, and coil unit coverFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 3463US2025333257A1Guide-equipped beltNITTA CORP·Filed 2025·Application pending·0 cites
- 3563US2025208241A1Receive coil unit, medical image diagnostic system, and coil coverFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 3662US5061366AScraper filter systemARAI CORP·Filed 1990·Granted Oct 29, 1991·24 cites·2 claims
- 3762US5011023AConical element for filtering and separationARAI MACHINERY CORP·Filed 1989·Granted Apr 30, 1991·22 cites·13 claims
- 3862US2025389798A1Coil set and trunk part coilFUJIFILM CORP·Filed 2025·Application pending·0 cites
- 3958US2019198663A1Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2018·Application pending·0 cites
- 4058US2019237577A1Semiconductor device and manufacturing method thereofRENESAS ELECTRONICS CORP·Filed 2018·Application pending·0 cites
- 4157US9543395B2Normally-off power JFET and manufacturing method thereofRENESAS ELECTRONICS CORP·Filed 2014·Granted Jan 10, 2017·0 cites·8 claims
- 4257US4843700ALocking structure of wire rod for filter elementARAI CORP·Filed 1987·Granted Jul 4, 1989·15 cites·2 claims
- 4357US2020020781A1Semiconductor device and manufacturing methodRENESAS ELECTRONICS CORP·Filed 2019·Application pending·0 cites
- 4457US2024142551A1High-frequency coil device and magnetic resonance imaging apparatus using the sameFUJIFILM HEALTHCARE CORP·Filed 2023·Application pending·0 cites
- 4556US10256339B2Semiconductor device for power transistorRENESAS ELECTRONICS CORP·Filed 2018·Granted Apr 9, 2019·0 cites·4 claims
- 4656US9543453B2Semiconductor device including junction field effect transistor and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2014·Granted Jan 10, 2017·0 cites·11 claims
- 4753US9199836B2Method of manufacturing a semiconductor integrated circuit device having a MEMS elementRENESAS ELECTRONICS CORP·Filed 2014·Granted Dec 1, 2015·0 cites·8 claims
- 4853US9041049B2Power JFETRENESAS ELECTRONICS CORP·Filed 2013·Granted May 26, 2015·0 cites·3 claims
- 4953US8835207B2Method of manufacturing a semiconductor integrated circuit device having a MEMS elementRENESAS ELECTRONICS CORP·Filed 2013·Granted Sep 16, 2014·0 cites·10 claims
- 5053US2024088287A1Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2023·Application pending·0 cites
Showing the top 50 of 80 patent records by PatentIndex Score.
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