Inventor · disambiguated record
Yoichi Iihoshi
Also filed as: IIHOSHI YOICHI
31 granted patents·16 pending applications·369 citations·filing 2001–2022
96Inventor score
Files withHITACHI LTD20HITACHI AUTOMOTIVE SYSTEMS LTD13HITACHI ASTEMO LTD3HITACHI CONSTRUCTION MACH CO3HORI TOSHIO1
Top patents by PatentIndex Score
47 records- 0198US6772585B2Controller of compression-ignition engineHITACHI LTD·Filed 2002·Granted Aug 10, 2004·114 cites·24 claims
- 0296US7549284B2Diagnostic device and method of engine exhaust purifying systemHITACHI LTD·Filed 2007·Granted Jun 23, 2009·34 cites·10 claims
- 0396US7254474B2Diagnosis apparatus for internal combustion engineHITACHI LTD·Filed 2005·Granted Aug 7, 2007·33 cites·9 claims
- 0493US7559193B2Control apparatus and method for internal combustion engineHITACHI LTD·Filed 2006·Granted Jul 14, 2009·20 cites·10 claims
- 0592US7752837B2Diagnosis apparatus for internal combustion engineHITACHI LTD·Filed 2007·Granted Jul 13, 2010·19 cites·9 claims
- 0690US7266942B2Diagnostic device and method of engine exhaust purifying systemHITACHI LTD·Filed 2005·Granted Sep 11, 2007·18 cites·24 claims
- 0787US7409275B2Vehicle diagnostic systemHITACHI LTD·Filed 2007·Granted Aug 5, 2008·21 cites·19 claims
- 0886US8573185B2Diagnostic device for internal-combustion engineMIURA RYUSEI·Filed 2010·Granted Nov 5, 2013·14 cites·10 claims
- 0981US11067041B2Control device for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jul 20, 2021·2 cites·10 claims
- 1079US11403949B2System for predicting vehicle behaviorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Aug 2, 2022·3 cites·16 claims
- 1179US7753032B2Control apparatus for cylinder injection internal combustion engine with high-pressure fuel pumpHITACHI LTD·Filed 2008·Granted Jul 13, 2010·10 cites·8 claims
- 1273US6865880B2Emission control device for cylinder fuel injection engineHITACHI LTD·Filed 2002·Granted Mar 15, 2005·15 cites·3 claims
- 1368US8069652B2Control apparatus and method for internal combustion engineIIHOSHI YOICHI·Filed 2009·Granted Dec 6, 2011·6 cites·5 claims
- 1468US6659069B2Method of starting a cylinder injection engineHITACHI LTD·Filed 2001·Granted Dec 9, 2003·18 cites·20 claims
- 1567US7255093B2Device and method for diagnosing evaporation leak, and control device of internal combustion engineHITACHI LTD·Filed 2004·Granted Aug 14, 2007·12 cites·21 claims
- 1665US12444245B2Mine management systemHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Oct 14, 2025·0 cites·10 claims
- 1765US8108094B2Diagnosis device for energy transfer in vehicleHORI TOSHIO·Filed 2007·Granted Jan 31, 2012·6 cites·8 claims
- 1865US6883307B2Diagnosis apparatus for internal combustion engineHITACHI LTD·Filed 2002·Granted Apr 26, 2005·13 cites·12 claims
- 1961US10875534B2Vehicle control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Dec 29, 2020·1 cites·9 claims
- 2058US7489997B2Diagnostic apparatus for internal combustion engineHITACHI LTD·Filed 2007·Granted Feb 10, 2009·3 cites·13 claims
- 2156US10465619B2Control device that stops fuel injection to an engine during coastingHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Nov 5, 2019·0 cites·15 claims
- 2255US12384355B2Vehicle control device and vehicle control methodHITACHI ASTEMO LTD·Filed 2021·Granted Aug 12, 2025·0 cites·6 claims
- 2355US11878686B2Driving assistance deviceHITACHI ASTEMO LTD·Filed 2019·Granted Jan 23, 2024·0 cites·11 claims
- 2455US6957529B2Emission control device for cylinder fuel injection engineHITACHI LTD·Filed 2001·Granted Oct 25, 2005·7 cites·2 claims
- 2554US11242813B2Internal combustion engine control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Feb 8, 2022·0 cites·9 claims
- 2654US2004267418A1Vehicle diagnostic systemFiled 2004·Application pending·0 cites
- 2753US12505709B2Vehicle body management systemHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Dec 23, 2025·0 cites·11 claims
- 2852US11364909B2Vehicle control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Jun 21, 2022·0 cites·15 claims
- 2952US2006089768A1Vehicle diagnostic systemSAKURAI KOHEI·Filed 2005·Application pending·0 cites
- 3051US2025191083A1Mine management systemHITACHI CONSTRUCTION MACH CO·Filed 2022·Application pending·0 cites
- 3150US2002123833A1Vehicle diagnostic systemFiled 2002·Application pending·0 cites
- 3250US2002183904A1Vehicle diagnostic systemFiled 2002·Application pending·0 cites
- 3346US2009205413A1Diagnostic apparatus for high-pressure fuel supply systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 3443US11352003B2Vehicle control device, vehicle control method, and vehicleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Jun 7, 2022·0 cites·13 claims
- 3543US10920683B2Control device for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Feb 16, 2021·0 cites·11 claims
- 3642US11086326B2Moving object controller and moving object control methodHITACHI LTD·Filed 2017·Granted Aug 10, 2021·0 cites·10 claims
- 3740US2020070828A1Vehicle control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Application pending·0 cites
- 3840US2007017212A1Catalyst diagnosis apparatus for internal combustion engineHITACHI LTD·Filed 2006·Application pending·0 cites
- 3939US2009265086A1Diagnosis Apparatus for Internal Combustion EngineHITACHI LTD·Filed 2009·Application pending·0 cites
- 4039US2018362044A1Vehicle control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Application pending·0 cites
- 4136US10902730B2Vehicle control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Jan 26, 2021·0 cites·12 claims
- 4236US2020200100A1Throttle Valve Controller Device for Internal Combustion EngineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Application pending·0 cites
- 4334US2003192305A1Controller of compression-ignition engineHITACHI LTD·Filed 2003·Application pending·0 cites
- 4434US2004055283A1Control system for internal combustion engine with catalyst for purifying exhaust gasHITACHI LTD·Filed 2003·Application pending·0 cites
- 4534US2011179774A1Control Diagnostic Apparatus for Internal Combustion EngineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2011·Application pending·0 cites
- 4634US2023193845A1Internal Combustion Engine Control DeviceHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 4732US2001027643A1Cylinder injection type internal combustion engine and combustion control method at starting thereofFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →