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Norio Michigami
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Isehara, JP
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last 30 patents
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Patent Grant
Method for the diameter confirmation of drills in a PWB machine
Patent number
5,208,761
Issue date
May 4, 1993
Norio Michigami
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Apparatus for removing printed board
Patent number
5,101,546
Issue date
Apr 7, 1992
Hitachi Seiko Ltd.
Tamio Otani
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Tool detecting apparatus
Patent number
5,029,097
Issue date
Jul 2, 1991
Hitachi Seiko Ltd.
Norio Michigami
G05 - CONTROLLING REGULATING