Inventor
IZUMI SHIHO
JP69 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI SHIHO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACH CO
30 patentsUS11230824B2Jan 25, 2022
Work machine
HITACHI CONSTRUCTION MACH CO8 citations85
US11391011B2Jul 19, 2022
Hydraulic excavator
HITACHI CONSTRUCTION MACH CO2 citations73
US11168459B2Nov 9, 2021
Work machine
HITACHI CONSTRUCTION MACH CO2 citations73
US11149411B2Oct 19, 2021
Work machine
HITACHI CONSTRUCTION MACH CO4 citations73
US10435870B2Oct 8, 2019
Construction machine
HITACHI CONSTRUCTION MACH CO4 citations73
US10006473B2Jun 26, 2018
Hybrid construction machine
HITACHI CONSTRUCTION MACH CO2 citations73
US9725878B2Aug 8, 2017
Hybrid-type construction machine
HITACHI CONSTRUCTION MACH CO6 citations73
US11885097B2Jan 30, 2024
Work machine
HITACHI CONSTRUCTION MACH CO2 citations72
US12146293B2Nov 19, 2024
Work machine with machine control that stores snapshot data for equipment abnormality diagnosis
HITACHI CONSTRUCTION MACH CO3 citations71
US11041288B2Jun 22, 2021
Work machine
HITACHI CONSTRUCTION MACH CO4 citations71
US10858804B2Dec 8, 2020
Work machine
HITACHI CONSTRUCTION MACH CO2 citations71
US10774502B2Sep 15, 2020
Work machine
HITACHI CONSTRUCTION MACH CO3 citations71
US10323388B2Jun 18, 2019
Display system for construction machine
HITACHI CONSTRUCTION MACH CO5 citations71
US11434623B2Sep 6, 2022
Work-implement external-shape measurement system, work-implement external-shape display system, work-implement control system and work machine
HITACHI CONSTRUCTION MACH CO4 citations70
US10801187B2Oct 13, 2020
Work machine
HITACHI CONSTRUCTION MACH CO6 citations70
US10378186B2Aug 13, 2019
Construction machine
HITACHI CONSTRUCTION MACH CO2 citations70
US12000117B2Jun 4, 2024
Construction assisting system and work machine
HITACHI CONSTRUCTION MACH CO1 citations63
US12084841B2Sep 10, 2024
Construction management system and work machine
HITACHI CONSTRUCTION MACH CO0 citations62
US10563378B2Feb 18, 2020
Hydraulic system for work machines
HITACHI CONSTRUCTION MACH CO1 citations62
US12203238B2Jan 21, 2025
Work 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 satellites
HITACHI CONSTRUCTION MACH CO1 citations61
US11066808B2Jul 20, 2021
Work machine
HITACHI CONSTRUCTION MACH CO1 citations61
US10626578B2Apr 21, 2020
Work machine
HITACHI CONSTRUCTION MACH CO1 citations60
US12252869B2Mar 18, 2025
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12094341B2Sep 17, 2024
Risk management system
HITACHI CONSTRUCTION MACH CO0 citations52
US10060450B2Aug 28, 2018
Hydraulic control device for work machine
HITACHI CONSTRUCTION MACH CO1 citations52
US10006472B2Jun 26, 2018
Construction machine
HITACHI CONSTRUCTION MACH CO1 citations52
US9593464B2Mar 14, 2017
Construction machine
HITACHI CONSTRUCTION MACH CO0 citations52
US9567730B2Feb 14, 2017
Work machine
HITACHI CONSTRUCTION MACH CO0 citations52
US12460390B2Nov 4, 2025
Completed-work information processing system
HITACHI CONSTRUCTION MACH CO0 citations51
US12448755B2Oct 21, 2025
Work machine management system
HITACHI CONSTRUCTION MACH CO0 citations51
HITACHI LTD
14 patentsUS7425983B2Sep 16, 2008
Security system
HITACHI LTD46 citations93
US7408500B2Aug 5, 2008
Automotive radar
HITACHI LTD24 citations92
US7317295B2Jan 8, 2008
Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle
HITACHI LTD21 citations92
US7151355B2Dec 19, 2006
Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle
HITACHI LTD22 citations92
US6941211B1Sep 6, 2005
Measurement controller for vehicle
HITACHI LTD43 citations92
US6933881B2Aug 23, 2005
Automotive radar
HITACHI LTD37 citations92
US6738705B2May 18, 2004
Vehicle running control apparatus and map information data recording medium
HITACHI LTD37 citations92
US7495411B2Feb 24, 2009
Controller for an electric four-wheel-drive vehicle
HITACHI LTD24 citations91
US7084761B2Aug 1, 2006
Security system
HITACHI LTD31 citations91
US7956560B2Jun 7, 2011
Control apparatus for rotational electric machine and driving apparatus for vehicle
HITACHI LTD7 citations84
US7109915B2Sep 19, 2006
Radar apparatus
HITACHI LTD13 citations84
US7684921B2Mar 23, 2010
Vehicle running control apparatus and map information data recording medium
HITACHI LTD6 citations74
US7372395B2May 13, 2008
Ground-speed measuring apparatus
HITACHI LTD8 citations74
US7136736B2Nov 14, 2006
Vehicular travel control device
HITACHI LTD8 citations74
IZUMI SHIHO
4 patentsUS8831805B2Sep 9, 2014
Construction machine and industrial vehicle having power supply system
IZUMI SHIHO25 citations90
US8207694B2Jun 26, 2012
Motor controller
IZUMI SHIHO13 citations83
US9581176B2Feb 28, 2017
Construction machine having revolving structure
IZUMI SHIHO5 citations72
US8825316B2Sep 2, 2014
Hybrid-type construction machine
IZUMI SHIHO2 citations62
ISHIDA SEIJI
1 patentOOKI TAKATOSHI
1 patentShowing the top 50 of 69 patents by PatentIndex Score.