Youichi Kowatari

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Prime mover rotation speed control system for hydraulically driven...
- Patent number 8,494,733
- Issue date Jul 23, 2013
- Hitachi Construction Machinery Co., Ltd.
- Katsuaki Kodaka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pump torque control system for hydraulic construction machine
- Patent number 8,424,298
- Issue date Apr 23, 2013
- Hitachi Construction Machinery Co., Ltd.
- Nobuei Ariga
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pedal lock control device for work vehicle
- Patent number 8,359,140
- Issue date Jan 22, 2013
- Hitachi Construction Machinery Co., Ltd.
- Katsuaki Kodaka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Pedal lock control device for work vehicle
- Patent number 8,355,846
- Issue date Jan 15, 2013
- Hitachi Construction Machinery Co., Ltd.
- Katsuaki Kodaka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Gear shifting control system for work machine
- Patent number 7,970,522
- Issue date Jun 28, 2011
- Hitachi Construction Machinery Co., Ltd.
- Hidenobu Tsukada
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Gear shifting control device for work machine
- Patent number 7,912,616
- Issue date Mar 22, 2011
- Hitachi Construction Machinery Co., Ltd.
- Hidenobu Tsukada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, 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
Pump torque control system
- Patent number 5,934,879
- Issue date Aug 10, 1999
- Hitachi Construction Machinery Co., Ltd.
- Shigetoshi Konno
- B60 - VEHICLES IN GENERAL
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 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

Patents Applicationslast 30 patents

Information Patent Application
Pedal Lock Control Device for Work Vehicle
- Publication number 20100274436
- Publication date Oct 28, 2010
- Hitachi Construction Machinery Co., Ltd
- Katsuaki Kodaka
- G05 - CONTROLLING REGULATING
Information Patent Application
Pedal Lock Control Device for Work Vehicle
- Publication number 20100217492
- Publication date Aug 26, 2010
- Hitachi Construction Machinery Co., Ltd
- Katsuaki Kodaka
- G05 - CONTROLLING REGULATING
Information Patent Application
PUMP TORQUE CONTROL SYSTEM FOR HYDRAULIC CONSTRUCTION MACHINE
- Publication number 20100186402
- Publication date Jul 29, 2010
- Hitachi Construction Machinery Co., Ltd.
- Nobuei Ariga
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Prime Mover Rotation Speed Control System for Hydraulically Driven...
- Publication number 20100106382
- Publication date Apr 29, 2010
- Hitachi Construction Machinery Co. Ltd
- Katsuaki Kodaka
- B60 - VEHICLES IN GENERAL
Information Patent Application
GEAR SHIFTING CONTROL DEVICE FOR WORK MACHINE
- Publication number 20100004834
- Publication date Jan 7, 2010
- Hidenobu Tsukada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
GEAR SHIFTING CONTROL SYSTEM FOR WORK MACHINE
- Publication number 20090055062
- Publication date Feb 26, 2009
- Hidenobu Tsukada
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Youichi Kowatari

Person

Patents Grantslast 30 patents

Prime mover rotation speed control system for hydraulically driven...

Pump torque control system for hydraulic construction machine

Pedal lock control device for work vehicle

Pedal lock control device for work vehicle

Gear shifting control system for work machine

Gear shifting control device for work machine

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

Pump torque control system

Hydraulic by-pass circuit for a hydraulic shovel

Hydraulic drive system for construction machines

Hydraulic control system for hydraulic working machine

Patents Applicationslast 30 patents

Pedal Lock Control Device for Work Vehicle

Pedal Lock Control Device for Work Vehicle

PUMP TORQUE CONTROL SYSTEM FOR HYDRAULIC CONSTRUCTION MACHINE

Prime Mover Rotation Speed Control System for Hydraulically Driven...

GEAR SHIFTING CONTROL DEVICE FOR WORK MACHINE

GEAR SHIFTING CONTROL SYSTEM FOR WORK MACHINE