Kenji Itou

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Higashioumi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Swivel joint for construction machine
- Patent number 7,798,738
- Issue date Sep 21, 2010
- Hitachi Construction Machinery Co., Ltd.
- Junya Kawamoto
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic Drive Device
- Publication number 20090113887
- Publication date May 7, 2009
- Hitachi Construction Machinery Co., Ltd.
- Kiwamu Takahashi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Hydraulic Drive System
- Publication number 20090031719
- Publication date Feb 5, 2009
- Yasutaka Tsuruga
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Swivel joint for construction machine
- Publication number 20070024052
- Publication date Feb 1, 2007
- Hitachi Construction Machinery Co., Ltd.
- Junya Kawamoto
- B66 - HOISTING LIFTING HAULING