Inventor · disambiguated record

Tsugio Koya

Also filed as: KOYA TSUGIO

3 granted patents·83 citations·filing 1988–1991

75Inventor score

Technology areasC22B H10W

Files withMITSUBISHI METAL CORP2 MITSUBISHI MATERIALS CORP1

Top patents by PatentIndex Score

3 records

0180US5143355AApparatus for manufacturing oxygen-free copperMITSUBISHI MATERIALS CORP·Filed 1991·Granted Sep 1, 1992·23 cites·14 claims
0279US5037471AMethod for manufacturing oxygen-free copperMITSUBISHI METAL CORP·Filed 1989·Granted Aug 6, 1991·22 cites·7 claims
0369US4901550AManufacturing method of extra fine wireMITSUBISHI METAL CORP·Filed 1988·Granted Feb 20, 1990·38 cites·12 claims

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