Inventor · disambiguated record
Hachirou Yokoyama
Also filed as: YOKOYAMA HACHIROU
2 granted patents·33 citations·filing 1984–1984
61Inventor score
Technology areasD01H
Files withHOWA MACHINERY LTD2
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2 recordsIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →