Inventor · disambiguated record

Masao Yamamiya

Also filed as: YAMAMIYA MASAO

2 granted patents·39 citations·filing 1988–1990

62Inventor score

Technology areasC21C C22C

Files withNIPPON STEEL CORP2

Top patents by PatentIndex Score

2 records

0178US4956011AIron-silicon alloy powder magnetic cores and method of manufacturing the sameNIPPON STEEL CORP·Filed 1990·Granted Sep 11, 1990·32 cites·6 claims
0245US4830090AMethod of continuously casting lead-bearing steelNIPPON STEEL CORP·Filed 1988·Granted May 16, 1989·7 cites·3 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →