Inventor
ICHIMARU NOBUYUKI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “ICHIMARU NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKICO LTD
14 patentsUS6412788B1Jul 2, 2002
Suspension control system
TOKICO LTD102 citations98
US6290034B1Sep 18, 2001
Suspension control system
TOKICO LTD92 citations98
US6434460B1Aug 13, 2002
Suspension control system
TOKICO LTD129 citations97
US6067490AMay 23, 2000
Suspension control apparatus utilizing a PWM type proportional solenoid valve
TOKICO LTD134 citations97
US6427986B1Aug 6, 2002
Air suspension apparatus
TOKICO LTD84 citations96
US6182805B1Feb 6, 2001
Damping force control type hydraulic shock absorber
TOKICO LTD111 citations96
US5944153AAug 31, 1999
Suspension control system
TOKICO LTD52 citations96
US6176494B1Jan 23, 2001
Suspension control system
TOKICO LTD23 citations93
US6058340AMay 2, 2000
Suspension control apparatus
TOKICO LTD153 citations93
US5968102AOct 19, 1999
Suspension control apparatus
TOKICO LTD28 citations93
US6701235B2Mar 2, 2004
Suspension control system
TOKICO LTD14 citations84
US6158746ADec 12, 2000
Suspension control apparatus
TOKICO LTD7 citations74
US5924703AJul 20, 1999
Suspension control apparatus
TOKICO LTD14 citations74
US5364122ANov 15, 1994
Vehicle suspension control system with sequential control flow
TOKICO LTD14 citations74
HITACHI AUTOMOTIVE SYSTEMS LTD
11 patentsUS8880293B2Nov 4, 2014
Vehicle motion control apparatus and suspension control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD16 citations84
US11708109B2Jul 25, 2023
Vehicle control system
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
US11292308B2Apr 5, 2022
Vehicle motion state estimation apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations73
US10059344B2Aug 28, 2018
Vehicle behavior control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations73
US10603973B2Mar 31, 2020
Suspension system
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations72
US11104198B2Aug 31, 2021
Suspension control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations70
US12179537B2Dec 31, 2024
Information processing device, vehicle control method, and information processing system
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11648810B2May 16, 2023
Vehicle, vehicle motion state estimation apparatus, and method for estimating vehicle motion state
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11305600B2Apr 19, 2022
Vehicle behavior control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US11052719B2Jul 6, 2021
Vehicle height adjustment device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US12083845B2Sep 10, 2024
Suspension control apparatus
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations51
HITACHI ASTEMO LTD
11 patentsUS12162322B2Dec 10, 2024
Suspension control apparatus
HITACHI ASTEMO LTD3 citations75
US11897303B2Feb 13, 2024
Vehicle control device, vehicle control method, and vehicle control system
HITACHI ASTEMO LTD3 citations75
US11807249B2Nov 7, 2023
Vehicle motion state estimation device, vehicle motion state estimation method, and vehicle
HITACHI ASTEMO LTD2 citations73
US11358432B2Jun 14, 2022
Suspension control apparatus
HITACHI ASTEMO LTD4 citations73
US12138980B2Nov 12, 2024
Sensory evaluation prediction system, suspension device, and suspension control system
HITACHI ASTEMO LTD0 citations62
US11945428B2Apr 2, 2024
Vehicle motion control apparatus
HITACHI ASTEMO LTD1 citations62
US12377697B2Aug 5, 2025
Electromagnetic suspension
HITACHI ASTEMO LTD0 citations61
US11884119B2Jan 30, 2024
Vehicle behavior device
HITACHI ASTEMO LTD0 citations61
US12240285B2Mar 4, 2025
Sensory evaluation system, suspension device, and suspension control system
HITACHI ASTEMO LTD0 citations52
US12438431B2Oct 7, 2025
Electromagnetic actuator device and suspension device provided with same
HITACHI ASTEMO LTD0 citations51
US11491840B2Nov 8, 2022
Suspension device
HITACHI ASTEMO LTD0 citations49
HIRAO RYUSUKE
3 patentsUS8296010B2Oct 23, 2012
Suspension control apparatus
HIRAO RYUSUKE46 citations93
US10106009B2Oct 23, 2018
Suspension control apparatus for vehicle and control apparatus for damping-force adjustable shock absorber
HIRAO RYUSUKE10 citations83
US8838336B2Sep 16, 2014
Vehicle body attitude control apparatus
HIRAO RYUSUKE6 citations73