Assignee
HANAOKA YASUHARU
JP·3 granted patents·17 citations·filing 2010–2012
Top patents by PatentIndex Score
3 records- 0180US8523288B2Bit replacing device for excavating machineHANAOKA YASUHARU·Filed 2010·Granted Sep 3, 2013·14 cites·5 claims
- 0255US9222356B2Drill bit exchange device for shield tunneling machineHANAOKA YASUHARU·Filed 2012·Granted Dec 29, 2015·2 cites·10 claims
- 0349US8540319B2Bit replacing device for excavating machineHANAOKA YASUHARU·Filed 2010·Granted Sep 24, 2013·1 cites·4 claims
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