Inventor · disambiguated record

Sumio Hirai

Also filed as: HIRAI SUMIO

1 granted patent·11 citations·filing 1996–1996

33Inventor score
Technology areasB60Q
Files withKOITO MFG CO LTD1

Top patents by PatentIndex Score

1 record

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →