Inventor · disambiguated record
Shiho Izumi
Also filed as: IZUMI SHIHO
68 granted patents·9 pending applications·446 citations·filing 2000–2023
98Inventor score
Top patents by PatentIndex Score
77 records- 0192US11230824B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jan 25, 2022·8 cites·7 claims
- 0291US8831805B2Construction machine and industrial vehicle having power supply systemIZUMI SHIHO·Filed 2010·Granted Sep 9, 2014·25 cites·6 claims
- 0390US12146293B2Work machine with machine control that stores snapshot data for equipment abnormality diagnosisHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Nov 19, 2024·3 cites·7 claims
- 0490US7408500B2Automotive radarHITACHI LTD·Filed 2005·Granted Aug 5, 2008·24 cites·21 claims
- 0588US11885097B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Jan 30, 2024·2 cites·5 claims
- 0688US7151355B2Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicleHITACHI LTD·Filed 2006·Granted Dec 19, 2006·22 cites·20 claims
- 0787US7317295B2Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicleHITACHI LTD·Filed 2006·Granted Jan 8, 2008·21 cites·14 claims
- 0884US10801187B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Oct 13, 2020·6 cites·3 claims
- 0984US7495411B2Controller for an electric four-wheel-drive vehicleHITACHI LTD·Filed 2007·Granted Feb 24, 2009·24 cites·9 claims
- 1084US6933881B2Automotive radarHITACHI LTD·Filed 2003·Granted Aug 23, 2005·37 cites·14 claims
- 1184US6738705B2Vehicle running control apparatus and map information data recording mediumHITACHI LTD·Filed 2002·Granted May 18, 2004·37 cites·32 claims
- 1283US12000117B2Construction assisting system and work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Jun 4, 2024·1 cites·9 claims
- 1383US11149411B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Oct 19, 2021·4 cites·7 claims
- 1483US7425983B2Security systemHITACHI LTD·Filed 2004·Granted Sep 16, 2008·46 cites·17 claims
- 1583US6941211B1Measurement controller for vehicleHITACHI LTD·Filed 2000·Granted Sep 6, 2005·43 cites·15 claims
- 1682US11434623B2Work-implement external-shape measurement system, work-implement external-shape display system, work-implement control system and work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Sep 6, 2022·4 cites·13 claims
- 1781US10323388B2Display system for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Jun 18, 2019·5 cites·5 claims
- 1880US12203238B2Work machine configured to set a mask range in a field of vision over an antenna for which part of the work machine can become an obstacle when receiving positioning signals from satellitesHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Jan 21, 2025·1 cites·7 claims
- 1980US11041288B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jun 22, 2021·4 cites·4 claims
- 2079US10435870B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Oct 8, 2019·4 cites·9 claims
- 2178US9725878B2Hybrid-type construction machineHITACHI CONSTRUCTION MACH CO·Filed 2014·Granted Aug 8, 2017·6 cites·5 claims
- 2275US10774502B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Sep 15, 2020·3 cites·4 claims
- 2375US10006473B2Hybrid construction machineHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Jun 26, 2018·2 cites·4 claims
- 2474US8207694B2Motor controllerIZUMI SHIHO·Filed 2009·Granted Jun 26, 2012·13 cites·8 claims
- 2573US9581176B2Construction machine having revolving structureIZUMI SHIHO·Filed 2012·Granted Feb 28, 2017·5 cites·6 claims
- 2672US7084761B2Security systemHITACHI LTD·Filed 2002·Granted Aug 1, 2006·31 cites·9 claims
- 2769US11391011B2Hydraulic excavatorHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Jul 19, 2022·2 cites·4 claims
- 2869US11168459B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Nov 9, 2021·2 cites·7 claims
- 2967US10378186B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Aug 13, 2019·2 cites·6 claims
- 3066US11066808B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Jul 20, 2021·1 cites·6 claims
- 3166US10858804B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Dec 8, 2020·2 cites·4 claims
- 3266US9421873B2Construction machineISHIDA SEIJI·Filed 2011·Granted Aug 23, 2016·5 cites·10 claims
- 3366US8825316B2Hybrid-type construction machineIZUMI SHIHO·Filed 2012·Granted Sep 2, 2014·2 cites·5 claims
- 3465US11466435B2Hydraulic excavator with area limiting control functionHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Oct 11, 2022·0 cites·3 claims
- 3564US12084841B2Construction management system and work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Sep 10, 2024·0 cites·8 claims
- 3663US7956560B2Control apparatus for rotational electric machine and driving apparatus for vehicleHITACHI LTD·Filed 2008·Granted Jun 7, 2011·7 cites·12 claims
- 3761US10060450B2Hydraulic control device for work machineHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Aug 28, 2018·1 cites·7 claims
- 3861US10006472B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Jun 26, 2018·1 cites·4 claims
- 3961US8950180B2Hybrid construction machineOOKI TAKATOSHI·Filed 2012·Granted Feb 10, 2015·3 cites·9 claims
- 4060US12448755B2Work machine management systemHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Oct 21, 2025·0 cites·9 claims
- 4158US12146291B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Nov 19, 2024·0 cites·11 claims
- 4258US10626578B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Apr 21, 2020·1 cites·6 claims
- 4358US7109915B2Radar apparatusHITACHI LTD·Filed 2004·Granted Sep 19, 2006·13 cites·11 claims
- 4458US2025215670A1Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2023·Application pending·0 cites
- 4557US12428821B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Sep 30, 2025·0 cites·7 claims
- 4657US10563378B2Hydraulic system for work machinesHITACHI CONSTRUCTION MACH CO·Filed 2015·Granted Feb 18, 2020·1 cites·3 claims
- 4756US12094341B2Risk management systemHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Sep 17, 2024·0 cites·7 claims
- 4854US11891783B2Calibration work support systemHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Feb 6, 2024·0 cites·4 claims
- 4953US11891776B2Automatic operation work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Feb 6, 2024·0 cites·4 claims
- 5053US2023235532A1Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Application pending·0 cites
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →