Sotaro Tanaka

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic recovery system for construction machine and construction...
- Patent number 6,502,499
- Issue date Jan 7, 2003
- Hitachi Construction Machinery Co., Ltd.
- Naoto Sannomiya
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulique drive device
- Patent number 6,244,048
- Issue date Jun 12, 2001
- Hitachi Construction Machinery Co., Ltd.
- Sotaro Tanaka
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Engine cooling system and construction machine
- Patent number 5,839,397
- Issue date Nov 24, 1998
- Hitachi Construction Machinery Co. Ltd.
- Shigehisa Funabashi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic power system
- Patent number 4,571,941
- Issue date Feb 25, 1986
- Hitachi Construction Machinery Co, Ltd.
- Yukio Aoyagi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic drive system having a plurality of prime movers
- Patent number 4,561,250
- Issue date Dec 31, 1985
- Hitachi Construction Machinery Co., Ltd.
- Yukio Aoyagi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic fluid circuit of hydraulic shovel
- Patent number 4,534,268
- Issue date Aug 13, 1985
- Hitachi Construction Machinery Co., Ltd.
- Takashi Yagyu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic circuit of hydraulic power shovel
- Patent number 4,504,185
- Issue date Mar 12, 1985
- Hitachi Construction Machinery Co., Inc.
- Takashi Yagyu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic recovery system for construction machine and construction...
- Publication number 20020108486
- Publication date Aug 15, 2002
- Naoto Sannomiya
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Sotaro Tanaka

Person

Patents Grantslast 30 patents

Hydraulic recovery system for construction machine and construction...

Hydraulique drive device

Engine cooling system and construction machine

Hydraulic power system

Hydraulic drive system having a plurality of prime movers

Hydraulic fluid circuit of hydraulic shovel

Hydraulic circuit of hydraulic power shovel

Patents Applicationslast 30 patents

Hydraulic recovery system for construction machine and construction...