Inventor · disambiguated record
Hisao Yoshizawa
Also filed as: YOSHIZAWA HISAO
1 granted patent·25 citations·filing 1976–1976
42Inventor score
Technology areasC21D
Files withHITACHI METALS LTD1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →