Sadahisa Tomita

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Niihari-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device and display controller of construction machinery
- Patent number 6,766,600
- Issue date Jul 27, 2004
- Hitachi Construction Machinery Co., Ltd.
- Hiroshi Ogura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Working apparatus for construction machine
- Patent number 6,564,480
- Issue date May 20, 2003
- Hitachi Construction Machinery Co., Ltd.
- Sadahisa Tomita
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Target excavation surface setting device for excavation machine, re...
- Patent number 6,532,409
- Issue date Mar 11, 2003
- Hitachi Construction Machinery Co., Ltd.
- Kazuo Fujishima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic circuit control device of construction machinery
- Patent number 6,430,490
- Issue date Aug 6, 2002
- Hitachi Construction Machinery Co., Ltd.
- Hiroshi Watanabe
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Display device and display controller of construction machinery
- Publication number 20030001751
- Publication date Jan 2, 2003
- Hiroshi Ogura
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING