Assignee

YAMAGUCHI HITOSHI

JP·2 granted patents·16 citations·filing 1992–2007

Technology mixB23B1 B23C1 B23G1 B23P1 E01C1 E02D1

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2 records

0150US5261762ATamping shoe of a vibration rammerYAMAGUCHI HITOSHI·Filed 1992·Granted Nov 16, 1993·16 cites·4 claims
0249US8215881B2Rotary cutting tool and method for manufacturing such a rotary cutting toolYAMAGUCHI HITOSHI·Filed 2007·Granted Jul 10, 2012·0 cites·10 claims

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