Assignee

MARUYAMA KAZUTAKA

JP·2 granted patents·1 citations·filing 2010–2011

Technology mixY10T2 B21K1 B23F1 B23P1 F01L1

Top patents by PatentIndex Score

2 records

0155US8561297B2Method for producing engine valve in which sodium metal is sealedMARUYAMA KAZUTAKA·Filed 2011·Granted Oct 22, 2013·1 cites·3 claims
0224US9108257B2Gear shaping machineMARUYAMA KAZUTAKA·Filed 2010·Granted Aug 18, 2015·0 cites·1 claims

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