Masaaki Ehara

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Akashi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control device for hydraulic winch
- Patent number 7,166,061
- Issue date Jan 23, 2007
- Kobelco Cranes Co., Ltd.
- Koichi Shimomura
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Hydraulic circuit for a crane
- Patent number 6,868,671
- Issue date Mar 22, 2005
- Kobelco Construction Machinery Co., Ltd.
- Masaaki Ehara
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Control device for hydraulic winch
- Publication number 20050143219
- Publication date Jun 30, 2005
- Kobelco Cranes Co., Ltd.
- Koichi Shimomura
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Hydraulic circuit for a crane
- Publication number 20020014074
- Publication date Feb 7, 2002
- KOBELCO CONSTRUCTION MACHINERY CO., LTD.
- Masaaki Ehara
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING