Inventor
YAMAZAKI YOICHIRO
JP56 patents
⚠️ This page may combine multiple inventors who share the name “YAMAZAKI YOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBELCO CONSTR MACH CO LTD
42 patentsUS11466431B2Oct 11, 2022
Remote operation system and main operating device
KOBELCO CONSTR MACH CO LTD5 citations73
US11423341B2Aug 23, 2022
Construction management system and construction management method
KOBELCO CONSTR MACH CO LTD2 citations73
US8880265B2Nov 4, 2014
Hybrid construction machine
KOBELCO CONSTR MACH CO LTD6 citations73
US11486116B2Nov 1, 2022
Remote operation device for construction machine
KOBELCO CONSTR MACH CO LTD2 citations72
US9664107B2May 30, 2017
Driving device for hybrid working machine
KOBELCO CONSTR MACH CO LTD2 citations72
US10876275B2Dec 29, 2020
Construction machine
KOBELCO CONSTR MACH CO LTD6 citations71
US9973053B2May 15, 2018
Electric motor having sealed casing and manufacturing method thereof
KOBELCO CONSTR MACH CO LTD4 citations68
US12436544B2Oct 7, 2025
Work assistance system and work assistance composite system
KOBELCO CONSTR MACH CO LTD1 citations64
US11421404B2Aug 23, 2022
Construction machine
KOBELCO CONSTR MACH CO LTD1 citations62
US12509855B2Dec 30, 2025
Remote control system for construction machine
KOBELCO CONSTR MACH CO LTD0 citations52
US12509856B2Dec 30, 2025
Remote operation assistance server, remote operation assistance system, and remote operation assistance method
KOBELCO CONSTR MACH CO LTD0 citations52
US12305363B2May 20, 2025
Remote operation assistance server, remote operation assistance system, and remote operation assistance method
KOBELCO CONSTR MACH CO LTD0 citations52
US12276085B2Apr 15, 2025
Work assist server, work assist method, and work assist system
KOBELCO CONSTR MACH CO LTD0 citations52
US12195949B2Jan 14, 2025
Remote operation assistance device and remote operation assistance method
KOBELCO CONSTR MACH CO LTD0 citations52
US12054915B2Aug 6, 2024
Work assisting server and work assisting system
KOBELCO CONSTR MACH CO LTD0 citations52
US12031297B2Jul 9, 2024
Work machine
KOBELCO CONSTR MACH CO LTD0 citations52
US12028653B2Jul 2, 2024
Inspection system for construction machine
KOBELCO CONSTR MACH CO LTD0 citations52
US11952747B2Apr 9, 2024
Teleoperation device for construction machinery
KOBELCO CONSTR MACH CO LTD0 citations52
US11821171B2Nov 21, 2023
Work machine
KOBELCO CONSTR MACH CO LTD0 citations52
US11657342B2May 23, 2023
Work selection system and work selection method
KOBELCO CONSTR MACH CO LTD0 citations52
US11107301B2Aug 31, 2021
Operation management system and method for disclosing operational information
KOBELCO CONSTR MACH CO LTD0 citations52
US12371882B2Jul 29, 2025
Operation instruction system
KOBELCO CONSTR MACH CO LTD0 citations51
US12195948B2Jan 14, 2025
Operation support server, operation support system, and operation support method
KOBELCO CONSTR MACH CO LTD0 citations51
US12123175B2Oct 22, 2024
Remote operation device, remote operation assistance server, remote operation assistance system, and remote operation assistance method
KOBELCO CONSTR MACH CO LTD0 citations51
US12104352B2Oct 1, 2024
Compaction management system
KOBELCO CONSTR MACH CO LTD0 citations51
US12091833B2Sep 17, 2024
Work machine
KOBELCO CONSTR MACH CO LTD0 citations51
US11993922B2May 28, 2024
Remote operation system
KOBELCO CONSTR MACH CO LTD0 citations51
US11885101B2Jan 30, 2024
Remote operation system and remote operation server
KOBELCO CONSTR MACH CO LTD0 citations51
US11821170B2Nov 21, 2023
Remote operation system for working machine
KOBELCO CONSTR MACH CO LTD0 citations51
US11732440B2Aug 22, 2023
Remote operation system and remote operation server
KOBELCO CONSTR MACH CO LTD0 citations51
US9306250B2Apr 5, 2016
Battery cooling structure
KOBELCO CONSTR MACH CO LTD1 citations51
US12315202B2May 27, 2025
Image processing device and image processing method
KOBELCO CONSTR MACH CO LTD0 citations50
US12221775B2Feb 11, 2025
Periphery monitoring device for working machine
KOBELCO CONSTR MACH CO LTD0 citations50
US12163312B2Dec 10, 2024
Work support system and work support composite system
KOBELCO CONSTR MACH CO LTD0 citations50
US12077943B2Sep 3, 2024
Remote operation assistance server, remote operation assistance method, and remote operation assistance system
KOBELCO CONSTR MACH CO LTD0 citations50
US11989674B2May 21, 2024
Work assist server, work assist method, and work assist system
KOBELCO CONSTR MACH CO LTD0 citations50
US11732444B2Aug 22, 2023
Display system for work machine
KOBELCO CONSTR MACH CO LTD0 citations50
US11680383B2Jun 20, 2023
Remote control system
KOBELCO CONSTR MACH CO LTD0 citations50
US11066811B2Jul 20, 2021
Construction machinery, mobile information terminal for acquiring operation data from construction machinery, construction machinery information communication system, and program implemented on mobile information terminals
KOBELCO CONSTR MACH CO LTD0 citations50
US11828607B2Nov 28, 2023
Guidance system
KOBELCO CONSTR MACH CO LTD0 citations49
US11761169B2Sep 19, 2023
Work machine and remote operation support system
KOBELCO CONSTR MACH CO LTD0 citations49
US12264457B2Apr 1, 2025
Remote operation system and remote operation server
KOBELCO CONSTR MACH CO LTD0 citations47
KOBELCO CONSTR MACHINERY LTD
3 patentsUS7513109B2Apr 7, 2009
Hydraulic controller for working machine
KOBELCO CONSTR MACHINERY LTD17 citations84
US7849685B2Dec 14, 2010
Control device for hydraulic cylinder and operating machine including control device
KOBELCO CONSTR MACHINERY LTD9 citations78
US7284371B2Oct 23, 2007
Hydraulic control system for working machine
KOBELCO CONSTR MACHINERY LTD6 citations62
YAMAZAKI YOICHIRO
1 patentUEDA KOJI
1 patentYAMASHITA KOJI
1 patentKOIWAI KAZUSHIGE
1 patentHIROZAWA MITSUNORI
1 patentShowing the top 50 of 56 patents by PatentIndex Score.