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Kunihiko Imanishi
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Hirakata, JP
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Patents Grants
last 30 patents
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Patent Grant
Information management device for construction machinery
Patent number
6,349,252
Issue date
Feb 19, 2002
Komatsu Ltd.
Kunihiko Imanishi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Machine fault monitoring apparatus and method
Patent number
6,256,594
Issue date
Jul 3, 2001
Komatsu, Ltd.
Shigeru Yamamoto
G07 - CHECKING-DEVICES
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Patent Grant
Method and apparatus for determining machine maintenance due times
Patent number
6,141,629
Issue date
Oct 31, 2000
Komatsu Ltd.
Shigeru Yamamoto
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING