Inventor · disambiguated record
Toshiaki Ishii
Also filed as: ISHII TOSHIAKI
76 granted patents·13 pending applications·1,474 citations·filing 1978–2023
99Inventor score
Files withHITACHI LTD20MITSUBISHI ELECTRIC CORP18HITACHI AUTOMOTIVE SYSTEMS LTD15MIKUNI KOGYO KK6HITACHI ASTEMO LTD4
Top patents by PatentIndex Score
89 records- 0196US7504720B2Semiconductor unit, and power conversion system and on-vehicle electrical system using the sameHITACHI LTD·Filed 2006·Granted Mar 17, 2009·38 cites·18 claims
- 0295US6220764B1Optical module, method for manufacturing optical module and optical communication apparatusHITACHI LTD·Filed 2000·Granted Apr 24, 2001·78 cites·4 claims
- 0394US6062344AElevator systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted May 16, 2000·205 cites·5 claims
- 0494US6028364ASemiconductor device having a stress relieving mechanismHITACHI LTD·Filed 1995·Granted Feb 22, 2000·167 cites·19 claims
- 0593US11448142B2Exhaust valve device for vehicleMIKUNI KOGYO KK·Filed 2021·Granted Sep 20, 2022·3 cites·5 claims
- 0691US4427772AApparatus having automatic calibration for determining hydrogen peroxide concentrationORIENTAL YEAST CO LTD·Filed 1981·Granted Jan 24, 1984·80 cites·11 claims
- 0790US9439332B2Power moduleIDE EIICHI·Filed 2012·Granted Sep 6, 2016·15 cites·13 claims
- 0889US6457877B2Optical module, method for manufacturing optical module and optical communication apparatusHITACHI LTD·Filed 2001·Granted Oct 1, 2002·42 cites·9 claims
- 0989US6114005ALaminate and multilayer printed circuit boardHITACHI LTD·Filed 1997·Granted Sep 5, 2000·98 cites·19 claims
- 1089US5238508AFerritic-austenitic duplex stainless steelKUBOTA LTD·Filed 1990·Granted Aug 24, 1993·53 cites·2 claims
- 1188US7955411B2Low temperature bonding material comprising metal particles and bonding methodHITACHI LTD·Filed 2007·Granted Jun 7, 2011·13 cites·22 claims
- 1288US5677045ALaminate and multilayer printed circuit boardHITACHI LTD·Filed 1995·Granted Oct 14, 1997·86 cites·8 claims
- 1387US8314484B2Semiconductor device and method of manufacturing the sameKAJIWARA RYOICHI·Filed 2010·Granted Nov 20, 2012·9 cites·10 claims
- 1487US5141082ALinear motor elevator systemISHII TOSHIAKI·Filed 1991·Granted Aug 25, 1992·56 cites·15 claims
- 1586US7816786B2Semiconductor unit, and power conversion system and on-vehicle electrical system using the sameHITACHI LTD·Filed 2009·Granted Oct 19, 2010·12 cites·8 claims
- 1686US7608917B2Power semiconductor moduleHITACHI LTD·Filed 2007·Granted Oct 27, 2009·15 cites·15 claims
- 1783US6423571B2Method of making a semiconductor device having a stress relieving mechanismHITACHI LTD·Filed 2001·Granted Jul 23, 2002·35 cites·19 claims
- 1883US6282352B1Optical module, method for manufacturing optical module and optical communication apparatusHITACHI LTD·Filed 1998·Granted Aug 28, 2001·49 cites·17 claims
- 1982US5183980ALinear motor elevator device with a null-flux position adjustmentMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Feb 2, 1993·37 cites·4 claims
- 2080US11105274B1Exhaust valve device for vehicleMIKUNI KOGYO KK·Filed 2021·Granted Aug 31, 2021·1 cites·6 claims
- 2180US10396010B2Onboard control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Aug 27, 2019·3 cites·7 claims
- 2280US6726375B2Optical module, method for manufacturing optical module and optical communication apparatusHITACHI LTD·Filed 2002·Granted Apr 27, 2004·21 cites·10 claims
- 2378US10787993B2Valve device and exhaust heat recovery systemMIKUNI KOGYO KK·Filed 2017·Granted Sep 29, 2020·2 cites·6 claims
- 2477US9852962B2Waterproof electronic device and manufacturing method thereofHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Dec 26, 2017·3 cites·10 claims
- 2577US6097100AResin sealed semiconductor devices and a process for manufacturing the sameHITACHI LTD·Filed 1997·Granted Aug 1, 2000·56 cites·16 claims
- 2676US10601158B2Vehicle-mounted electronic module, card edge connector, and connectorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Mar 24, 2020·2 cites·3 claims
- 2775US10738715B2Valve deviceMIKUNI KOGYO KK·Filed 2017·Granted Aug 11, 2020·2 cites·6 claims
- 2874US7514780B2Power semiconductor deviceHITACHI LTD·Filed 2007·Granted Apr 7, 2009·5 cites·19 claims
- 2974US5547059ALinear motor elevator systemMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Aug 20, 1996·27 cites·8 claims
- 3074US4269286ASpeed control apparatus for elevator systemMITSUBISHI ELECTRIC CORP·Filed 1979·Granted May 26, 1981·22 cites·5 claims
- 3173US8821676B2Low temperature bonding material comprising coated metal nanoparticles, and bonding methodYASUDA YUSUKE·Filed 2011·Granted Sep 2, 2014·3 cites·7 claims
- 3271US11166396B2Box-type vehicle-mounted control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Nov 2, 2021·2 cites·16 claims
- 3371US9743539B2In-vehicle electronic moduleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Aug 22, 2017·2 cites·11 claims
- 3470US8821768B2Bonding method and bonding material using metal particleYASUDA YUSUKE·Filed 2007·Granted Sep 2, 2014·5 cites·14 claims
- 3568US7671462B2Power semiconductor deviceHITACHI LTD·Filed 2009·Granted Mar 2, 2010·3 cites·4 claims
- 3667US9736952B2Vehicle-mounted electronic moduleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Aug 15, 2017·5 cites·6 claims
- 3767US8723306B2Power semiconductor unit, power module, power semiconductor unit manufacturing method, and power module manufacturing methodTSUYUNO NOBUTAKE·Filed 2011·Granted May 13, 2014·3 cites·14 claims
- 3865US6433440B1Semiconductor device having a porous buffer layer for semiconductor deviceHITACHI LTD·Filed 1998·Granted Aug 13, 2002·24 cites·19 claims
- 3964US9326425B2Power moduleSUWA TOKIHITO·Filed 2011·Granted Apr 26, 2016·2 cites·12 claims
- 4063US4284175AEmergency stop apparatus for electric elevatorsMITSUBISHI ELECTRIC CORP·Filed 1979·Granted Aug 18, 1981·14 cites·2 claims
- 4162US8492202B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2012·Granted Jul 23, 2013·1 cites·10 claims
- 4262US7165898B2Optical module, method for manufacturing optical module and optical communication apparatusHITACHI LTD·Filed 2004·Granted Jan 23, 2007·7 cites·5 claims
- 4362US5393941AController for ropeless elevatorMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Feb 28, 1995·20 cites·7 claims
- 4461US11940048B2Valve deviceMIKUNI KOGYO KK·Filed 2021·Granted Mar 26, 2024·0 cites·8 claims
- 4560US10128164B2Electronic device and method of manufacturing the electronic deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Nov 13, 2018·1 cites·15 claims
- 4660US9591789B2Power semiconductor module and power moduleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2012·Granted Mar 7, 2017·1 cites·11 claims
- 4758US9076780B2Power module and lead frame for power moduleNEGISHI YOSHINORI·Filed 2011·Granted Jul 7, 2015·1 cites·12 claims
- 4857US2025192061A1Semiconductor Module and Power Conversion DeviceHITACHI ASTEMO LTD·Filed 2023·Application pending·0 cites
- 4956US6878448B2Epoxy resin composition for semiconductor encapsulation and semiconductor device using the sameHITACHI LTD·Filed 2001·Granted Apr 12, 2005·6 cites·46 claims
- 5056US5158156ALinear motor elevator with support wings for mounting secondary side magnets on an elevator carMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Oct 27, 1992·17 cites·6 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Toshiaki Ishii files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →