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Kazuhiro Sugawara
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Tsuchiura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vehicle travel system
Patent number
10,048,692
Issue date
Aug 14, 2018
Hitachi Construction Machinery Co., Ltd.
Tomoyuki Hamada
G05 - CONTROLLING REGULATING
Information
Patent Grant
Vehicle traffic control system
Patent number
9,672,743
Issue date
Jun 6, 2017
Hitachi Construction Machinery Co., Ltd.
Tomoyuki Hamada
G05 - CONTROLLING REGULATING
Information
Patent Grant
Position adjustment assistance system for transportation machine
Patent number
8,862,390
Issue date
Oct 14, 2014
Hitachi Construction Machinery Co., Ltd.
Kazuhiro Sugawara
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Automatically operated shovel and stone crushing system comprising...
Patent number
6,732,458
Issue date
May 11, 2004
Hitachi Construction Machinery Co., Ltd.
Toru Kurenuma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Automatically operated shovel and stone crushing system comprising...
Patent number
6,523,765
Issue date
Feb 25, 2003
Hitachi Construction Machinery Co., Ltd.
Toru Kurenuma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
VEHICLE TRAVEL SYSTEM AND VEHICLE TRAVEL CONTROL METHOD
Publication number
20160224026
Publication date
Aug 4, 2016
Hitachi Construction Machinery Co., Ltd.
Tomoyuki HAMADA
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
VEHICLE TRAFFIC CONTROL SYSTEM
Publication number
20150221222
Publication date
Aug 6, 2015
Hitachi Construction Machinery Co., Ltd.
Tomoyuki Hamada
G08 - SIGNALLING
Information
Patent Application
Position Adjustment Assistance System for Transportation Machine
Publication number
20140019042
Publication date
Jan 16, 2014
HITACHI CONSTRUCTION MACHINERY CO., LTD.
Kazuhiro Sugawara
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Work Management System and Working Machine Equipped With the Same
Publication number
20080091520
Publication date
Apr 17, 2008
Keiji Hatori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Work area setting and managing system
Publication number
20070195011
Publication date
Aug 23, 2007
Keiji Hatori
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Automatically operated shovel and stone crushing system comprising...
Publication number
20030019132
Publication date
Jan 30, 2003
HITACHI CONSTRUCTION MACHINERY CO., LTD.
Toru Kurenuma
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING