Inventor
HAMADA TOMOYUKI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CONSTRUCTION MACH CO
18 patentsUS10048692B2Aug 14, 2018
Vehicle travel system
HITACHI CONSTRUCTION MACH CO14 citations84
US9672743B2Jun 6, 2017
Vehicle traffic control system
HITACHI CONSTRUCTION MACH CO9 citations84
US9483056B2Nov 1, 2016
Vehicle control system
HITACHI CONSTRUCTION MACH CO7 citations84
US10885786B2Jan 5, 2021
Management control device and on-board communication terminal device
HITACHI CONSTRUCTION MACH CO2 citations73
US10431083B2Oct 1, 2019
Onboard terminal device and traffic control system
HITACHI CONSTRUCTION MACH CO3 citations73
US10339806B2Jul 2, 2019
Traffic control server and system
HITACHI CONSTRUCTION MACH CO3 citations73
US9898011B2Feb 20, 2018
Driving assistance system and program for driving according to operations management
HITACHI CONSTRUCTION MACH CO3 citations73
US9804606B2Oct 31, 2017
Management control device
HITACHI CONSTRUCTION MACH CO6 citations73
US9473885B2Oct 18, 2016
Fleet management server, onboard terminal equipment, and fleet management system
HITACHI CONSTRUCTION MACH CO3 citations71
US10089873B2Oct 2, 2018
Vehicle travel route control system and fleet management server
HITACHI CONSTRUCTION MACH CO7 citations70
US10446036B2Oct 15, 2019
Traffic control system, traffic control device, and on-board terminal device
HITACHI CONSTRUCTION MACH CO1 citations62
US10244456B2Mar 26, 2019
Wireless communication system, control server, and base-station switching operation control method
HITACHI CONSTRUCTION MACH CO1 citations61
US12547171B2Feb 10, 2026
Traffic control server, traffic control system, and display device capable of wireless communication with traffic control server
HITACHI CONSTRUCTION MACH CO0 citations52
US12346126B2Jul 1, 2025
Vehicle management system
HITACHI CONSTRUCTION MACH CO0 citations52
US12292739B2May 6, 2025
Autonomous travel system
HITACHI CONSTRUCTION MACH CO0 citations52
US11789450B2Oct 17, 2023
Vehicle control system
HITACHI CONSTRUCTION MACH CO0 citations50
US9829893B2Nov 28, 2017
Operation management system for dump trucks
HITACHI CONSTRUCTION MACH CO0 citations42
US10140871B2Nov 27, 2018
Wireless system and operation management server
HITACHI CONSTRUCTION MACH CO0 citations41
HITACHI LTD
16 patentsUS6068911AMay 30, 2000
Super water-repellent coating material, and super water-repellent coating film using the same
HITACHI LTD69 citations96
US5862286AJan 19, 1999
Optical memory device and optical circuit using optical memory device
HITACHI LTD52 citations96
US5483440AJan 9, 1996
Remote control apparatus and control method thereof
HITACHI LTD90 citations96
US5969969AOct 19, 1999
Vehicle driving support system which is responsive to environmental conditions
HITACHI LTD86 citations94
US6576928B2Jun 10, 2003
Semiconductor device capacitor with high permittivity tantalum pentoxide/niobium pentoxide dielectric
HITACHI LTD20 citations92
US5820964AOct 13, 1998
Magnetic disk, and magnetic disk apparatus
HITACHI LTD22 citations92
US5647009AJul 8, 1997
Computer aided work support system and method
HITACHI LTD24 citations92
US4987527AJan 22, 1991
Perspective display device for displaying and manipulating 2-D or 3-D cursor, 3-D object and associated mark position
HITACHI LTD53 citations89
US6867090B2Mar 15, 2005
Semiconductor device and method of manufacturing thereof
HITACHI LTD13 citations84
US6598480B2Jul 29, 2003
Vibration testing system
HITACHI LTD14 citations84
US6509246B2Jan 21, 2003
Production of semiconductor integrated circuit
HITACHI LTD7 citations74
US6124964ASep 26, 2000
Organic/inorganic composite superlattice type optical modulator
HITACHI LTD14 citations74
US5122971AJun 16, 1992
Method and apparatus for constructing structures
HITACHI LTD12 citations72
US5436843AJul 25, 1995
Systems and methods for recycling resources and circulating products
HITACHI LTD16 citations71
US5101411AMar 31, 1992
Organic non-linear optical device
HITACHI LTD11 citations69
US5193150AMar 9, 1993
Data transfer method, data transfer apparatus and information processing system
HITACHI LTD6 citations62