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Kouichi Okuda
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Minamikawachi-gun, JP
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last 30 patents
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Patent Grant
Bearing manufacturing method and bearing without oxide under lubricant
Patent number
6,007,251
Issue date
Dec 28, 1999
Koyo Seiko Co., Ltd.
Kazunori Hayashida
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...