Inventor · disambiguated record

Masaaki Koba

Also filed as: KOBA MASAAKI

1 granted patent·7 citations·filing 1986–1986

30Inventor score

Technology areasC21C

Files withSUMITOMO METAL IND1

Top patents by PatentIndex Score

1 record

0141US5000427AInjection material for use in blast furnaceSUMITOMO METAL IND·Filed 1986·Granted Mar 19, 1991·7 cites·6 claims

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