Tsukasa Toyooka

Person

Higashiibaraki-gun Ibaraki-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Travel control device for work vehicle and work vehicle
- Patent number 8,585,156
- Issue date Nov 19, 2013
- Hitachi Construction Machinery Co., Ltd.
- Tsutomu Udagawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Travel drive system for work vehicle, work vehicle, and travel driv...
- Patent number 8,146,691
- Issue date Apr 3, 2012
- Hitachi Construction Machinery Co., Ltd.
- Tsutomu Udagawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
HST travel system for working machine
- Patent number 7,712,565
- Issue date May 11, 2010
- Hitachi Construction Machinery Co., Ltd.
- Tsutomu Udagawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic circuit device of hydraulic working machine
- Patent number 7,487,609
- Issue date Feb 10, 2009
- Hitahi Construction Machinery Co., Ltd.
- Tsuyoshi Nakamura
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic circuit of construction machinery
- Patent number 7,272,928
- Issue date Sep 25, 2007
- Hitachi Construction Machinery Co., Ltd.
- Nobuei Ariga
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil pressure circuit for working machines
- Patent number 7,127,887
- Issue date Oct 31, 2006
- Hitachi Construction Machinery Co., Ltd.
- Tsuyoshi Nakamura
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Steering system for working truck
- Patent number 7,114,591
- Issue date Oct 3, 2006
- Hitachi Construction Machinery Co., Ltd.
- Tsukasa Toyooka
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydraulic circuit of construction machinery
- Patent number 7,076,947
- Issue date Jul 18, 2006
- Hitachi Construction Machinery Co., Ltd.
- Nobuei Ariga
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Pipe breakage control valve device
- Patent number 6,691,510
- Issue date Feb 17, 2004
- Hitachi Construction Machinery Co., Ltd.
- Masao Kariya
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic driving device of civil engineering and construction mach...
- Patent number 6,619,037
- Issue date Sep 16, 2003
- Hitachi Construction Machinery Co., Ltd.
- Tsukasa Toyooka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hose rupture control valve unit
- Patent number 6,241,212
- Issue date Jun 5, 2001
- Hitachi Construction Machinery Co., Ltd.
- Tarou Takahashi
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic drive system for hydraulic work vehicle
- Patent number 6,220,028
- Issue date Apr 24, 2001
- Hitachi Construction Machinery Co., Ltd.
- Kouji Ishikawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic drive system and directional control valve apparatus in h...
- Patent number 6,212,886
- Issue date Apr 10, 2001
- Hitachi Construction Machinery Co., Ltd.
- Genroku Sugiyama
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tournament oil path constituting apparatus
- Patent number 6,161,586
- Issue date Dec 19, 2000
- Hitachi Construction Machinery Co., Ltd.
- Toichi Hirata
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Output correcting method in control system, control system, and hyd...
- Patent number 6,101,456
- Issue date Aug 8, 2000
- Hitachi Construction Machinery Co., Ltd.
- Youichi Kowatari
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic circuit system for hydraulic working machine
- Patent number 5,974,796
- Issue date Nov 2, 1999
- Hitachi Construction Machinery Co., Ltd.
- Kouji Ishikawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic circuit system for hydraulic working machine
- Patent number 5,940,997
- Issue date Aug 24, 1999
- Hitachi Construction Machinery Co., Ltd.
- Tsukasa Toyooka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Auto-acceleration system for prime mover of hydraulic construction...
- Patent number 5,930,996
- Issue date Aug 3, 1999
- Hitachi Construction Machinery Co., Ltd.
- Kazunori Nakamura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Control system for prime mover and hydraulic pump of hydraulic cons...
- Patent number 5,911,506
- Issue date Jun 15, 1999
- Hitachi Construction Machinery Co., Ltd.
- Kazunori Nakamura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic control system for construction machine
- Patent number 5,907,951
- Issue date Jun 1, 1999
- Hitachi Construction Machinery Co., Ltd.
- Tsukasa Toyooka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic by-pass circuit for a hydraulic shovel
- Patent number 5,890,303
- Issue date Apr 6, 1999
- Hitachi Construction Machinery Co., Ltd.
- Kouji Ishikawa
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic drive system for construction machines
- Patent number 5,848,531
- Issue date Dec 15, 1998
- Hitachi Construction Machinery Co., Ltd.
- Tsuyoshi Nakamura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic system having tandem hydraulic function
- Patent number 5,829,252
- Issue date Nov 3, 1998
- Hitachi Construction Machinery, Co., Ltd.
- Toichi Hirata
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic control system for hydraulic working machine
- Patent number 5,813,311
- Issue date Sep 29, 1998
- Hitachi Construction Machinery Co., Ltd.
- Tsukasa Toyooka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic circuit system for hydraulic excavator
- Patent number 5,673,558
- Issue date Oct 7, 1997
- Hitachi Construction Machinery Co., Ltd.
- Genroku Sugiyama
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic control system for construction machines
- Patent number 5,479,778
- Issue date Jan 2, 1996
- Hitachi Construction Machinery Co., Ltd.
- Tsukasa Toyooka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
TRAVEL CONTROL DEVICE FOR WORK VEHICLE AND WORK VEHICLE
- Publication number 20140033699
- Publication date Feb 6, 2014
- Hitachi Construction Machinery Co., Ltd.
- Tsutomu Udagawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
Travel Drive System for Work Vehicle, Work Vehicle, and Travel Driv...
- Publication number 20100032219
- Publication date Feb 11, 2010
- HITACHI CONSTRUCTION MACHINERY CO., LTD.
- Tsutomu Udagawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
Travel Control Device for Work Vehicle and Work Vehicle
- Publication number 20090127928
- Publication date May 21, 2009
- Tsutomu Udagawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
Working Machine
- Publication number 20080314854
- Publication date Dec 25, 2008
- Shouhei Kamiya
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Hst Travel System for Working Machine
- Publication number 20070235241
- Publication date Oct 11, 2007
- Tsutomu Udagawa
- B60 - VEHICLES IN GENERAL
Information Patent Application
Working machine and device cover used in the same
- Publication number 20070170001
- Publication date Jul 26, 2007
- Makoto Matsushita
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Hydraulic circuit of construction machinery
- Publication number 20060207248
- Publication date Sep 21, 2006
- Hitachi Construction Machinery Co., Ltd.
- Nobuei Ariga
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Hydraulic circuit device of hydraulic working machine
- Publication number 20060080955
- Publication date Apr 20, 2006
- Hitachi Construction Machinery Co., Ltd.
- Tsuyoshi Nakamura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Oil pressure circuit for working machines
- Publication number 20060048508
- Publication date Mar 9, 2006
- Tsuyoshi Nakamura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Steering system for working truck
- Publication number 20050067212
- Publication date Mar 31, 2005
- Tsukasa Toyooka
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Self-propelled working machine
- Publication number 20050008468
- Publication date Jan 13, 2005
- Makoto Sugaya
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Hydraulic circuit of construction machinery
- Publication number 20040020082
- Publication date Feb 5, 2004
- Nobuei Ariga
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Pipe breakage control valve device
- Publication number 20020157529
- Publication date Oct 31, 2002
- Masao Kariya
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Tsukasa Toyooka

Person

Patents Grantslast 30 patents

Travel control device for work vehicle and work vehicle

Travel drive system for work vehicle, work vehicle, and travel driv...

HST travel system for working machine

Hydraulic circuit device of hydraulic working machine

Hydraulic circuit of construction machinery

Oil pressure circuit for working machines

Steering system for working truck

Hydraulic circuit of construction machinery

Pipe breakage control valve device

Hydraulic driving device of civil engineering and construction mach...

Hose rupture control valve unit

Hydraulic drive system for hydraulic work vehicle

Hydraulic drive system and directional control valve apparatus in h...

Tournament oil path constituting apparatus

Output correcting method in control system, control system, and hyd...

Hydraulic circuit system for hydraulic working machine

Hydraulic circuit system for hydraulic working machine

Auto-acceleration system for prime mover of hydraulic construction...

Control system for prime mover and hydraulic pump of hydraulic cons...

Hydraulic control system for construction machine

Hydraulic by-pass circuit for a hydraulic shovel

Hydraulic drive system for construction machines

Hydraulic system having tandem hydraulic function

Hydraulic control system for hydraulic working machine

Hydraulic circuit system for hydraulic excavator

Hydraulic control system for construction machines

Patents Applicationslast 30 patents

TRAVEL CONTROL DEVICE FOR WORK VEHICLE AND WORK VEHICLE

Travel Drive System for Work Vehicle, Work Vehicle, and Travel Driv...

Travel Control Device for Work Vehicle and Work Vehicle

Working Machine

Hst Travel System for Working Machine

Working machine and device cover used in the same

Hydraulic circuit of construction machinery

Hydraulic circuit device of hydraulic working machine

Oil pressure circuit for working machines

Steering system for working truck

Self-propelled working machine

Hydraulic circuit of construction machinery

Pipe breakage control valve device