Inventor · disambiguated record
Akio Ishiyama
Also filed as: ISHIYAMA AKIO
1 granted patent·7 citations·filing 1974–1974
29Inventor score
Technology areasG04B
Files withSUWA SEIKOSHA KK1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →