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Motohisa Yamamura
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Iwakuni, JP
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last 30 patents
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Patent Grant
Spindle device with a built-in motor
Patent number
5,274,286
Issue date
Dec 28, 1993
Teijin Seiki Co., Ltd.
Motohisa Yamamura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Machine tools
Patent number
4,632,615
Issue date
Dec 30, 1986
Teijin Seiki Company Limited
Motohisa Yamamura
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR