Inventor
KUNIMORI NAGATOSHI
JP4 patents
Patents
4 patentsUS5338135AAug 16, 1994
Drill and lock screw employed for fastening the same
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US4728231AMar 1, 1988
Drill bit structure
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US6652201B2Nov 25, 2003
Ball end mill
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US6231275B1May 15, 2001
Ball nose end mill
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