Inventor · disambiguated record
Tadao Hayasaka
Also filed as: HAYASAKA TADAO
4 granted patents·82 citations·filing 1981–1984
79Inventor score
Technology areasC22C
Top patents by PatentIndex Score
4 records- 0178US4588441AProcess for the preparation of sintered alloys for valve mechanism parts for internal combustion enginesIKENOUE YUTAKA·Filed 1984·Granted May 13, 1986·27 cites·19 claims
- 0278US4552590AFerro-sintered alloysHITACHI POWDERED METALS·Filed 1983·Granted Nov 12, 1985·21 cites·2 claims
- 0375US4422875AFerro-sintered alloysHITACHI POWDERED METALS·Filed 1981·Granted Dec 27, 1983·19 cites·1 claims
- 0464US4437890AMethod of the preparation of high density sintered alloys based on iron and copperHITACHI POWDERED METALS·Filed 1983·Granted Mar 20, 1984·15 cites·26 claims
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