Inventor · disambiguated record
Sadao Yonehara
Also filed as: YONEHARA SADAO
1 granted patent·10 citations·filing 1983–1983
33Inventor score
Technology areasB22F
Files withSUMITOMO METAL IND1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →