Inventor · disambiguated record

Katsuhiko Maruyama

Also filed as: MARUYAMA KATSUHIKO

2 granted patents·20 citations·filing 1993–1995

59Inventor score

Technology areasC22C Y10T

Files withSUMITOMO METAL IND2

Top patents by PatentIndex Score

2 records

0141US5489345ASteel for use in exhaust manifolds of automobilesSUMITOMO METAL IND·Filed 1995·Granted Feb 6, 1996·8 cites·21 claims
0241US5340415AFerritic stainless steel plates and foils and method for their productionSUMITOMO METAL IND·Filed 1993·Granted Aug 23, 1994·12 cites·19 claims

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