Inventor · disambiguated record
Masamichi Sugiyama
Also filed as: SUGIYAMA MASAMICHI
1 granted patent·18 citations·filing 1975–1975
38Inventor score
Technology areasB29C
Files withMITSUBISHI CHEM IND1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →