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Naoya Ezawa
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Manipulator
Patent number
5,378,968
Issue date
Jan 3, 1995
Hitachi, Ltd.
Naoya Ezawa
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Manipulator and control method therefor
Patent number
5,130,632
Issue date
Jul 14, 1992
Hitachi, Ltd.
Naoya Ezawa
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Manipulator system with small arm removably attachable at points al...
Patent number
4,865,514
Issue date
Sep 12, 1989
Hitachi, Ltd.
Akira Tsuchihashi
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS